Property talk:P4638

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The Peerage person ID
identifier for a person on The Peerage genealogical website

Applicable "stated in" value	The Peerage (Q21401824)
Data type	External identifier
Allowed values	p[1-9]\d*\.htm\#i[1-9]\d*
Example	Arthur Wellesley, 1st Duke of Wellington (Q131691) → p10256.htm#i102559 Anne Boleyn (Q80823) → p10150.htm#i101493 Charlemagne (Q3044) → p10107.htm#i101064 Charles III of the United Kingdom (Q43274) → p1.htm#i1
Source	https://www.thepeerage.com/
Formatter URL	https://wikidata-externalid-url.toolforge.org/?p=4638&url_prefix=https://www.thepeerage.com/&id=$1 https://www.thepeerage.com/$1
See also	genealogics.org person ID (P1819), WeRelate person ID (P4159), Kindred Britain ID (P3051), FamilySearch person ID (P2889)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Map of people by place values: place of birth educated at work location residence place of death place of burial January 1st dates People with date of birth on January 1 People with date of death on January 1 People with both dates on January 1 Mix'n'match (Report) Database reports/Constraint violations/P4638 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,562,559 Main statement 719,675 out of 747,063 (96% complete) 46.1% of uses Qualifier 9 <0.1% of uses Reference 842,875 53.9% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4638#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4638#Unique value, SPARQL (every item), SPARQL (by value)

Item “instance of (P31): human (Q5), human whose existence is disputed (Q21070568), conflation (Q14946528), mythical character (Q4271324), possibly invalid entry requiring further references (Q35779580), human fetus (Q26513), stillborn child (Q2345820), miscarried child (Q117463454)”: Items with this property should also have “instance of (P31): human (Q5), human whose existence is disputed (Q21070568), conflation (Q14946528), mythical character (Q4271324), possibly invalid entry requiring further references (Q35779580), human fetus (Q26513), stillborn child (Q2345820), miscarried child (Q117463454)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P4638#Item P31, hourly updated report, search

Format “p\d+\.htm(\#[ci]\d+(\.\d)?)?”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4638#Format, hourly updated report, SPARQL

Format “p[1-9]\d*\.htm\#i[1-9]\d*”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4638#Format, SPARQL

Item “sex or gender (P21)”: Items with this property should also have “sex or gender (P21)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4638#Item P21, search, SPARQL

Qualifiers “subject named as (P1810), reason for deprecated rank (P2241), identifier shared with (P4070)”: this property should be used only with the listed qualifiers. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4638#allowed qualifiers, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4638#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P4638#Scope, hourly updated report, SPARQL

Pattern ^(p\d+\.htm\#)c(\d+)(\.\d)?$ will be automatically replaced to \1i\2. Testing: TODO list

Errors needed to be fixed at the Peerage

Errors fixed at Wikidata and need to be fixed at the Peerage

• Wikidata:WikiProject Authority control/The Peerage errors

Statistics

P4638 on values

Property	Values with P4638	Values without P4638	%without	ref
spouse (P26) ⇔	420836	4992	1.2	w wo symmetric
father (P22)	232684	8735	3.6	w wo
mother (P25)	155128	10323	6.2	w wo
sibling (P3373)	26218	8159	23.7	w wo symmetric
relative (P1038)	2364	929	28.2	w wo
unmarried partner (P451)	660	641	49.3	w wo symmetric

See also: Wikidata:WikiProject_Genealogy#Identifiers on values

Maintenance

Some queries

• Count of uses, by bins of 1 million Q-numbers: https://w.wiki/GWU
• Count of items by date of death https://w.wiki/a3m and date of birth https://w.wiki/a3j (where available)

--

• Possible duplicates of WikiTree person ID (P2949) (most are ThePeerage dupes) https://w.wiki/59bp -- 1342 (4 Feb), though some are false positives, or involve complcations
  • Geni equivalent https://w.wiki/59eR
• Wikidata:Database reports/identical birth and death dates/1 -- many are TP dupes
  • Full dob + dod match with same given name -- https://w.wiki/J5C / https://w.wiki/J5D
  • without testing name https://w.wiki/J6Y / https://w.wiki/J6Z tinyurl.com/rwqefws / tinyurl.com/snz8us7
• Different children of TP people with the same first name: https://w.wiki/Hrb (many false positives, however) -- with same year of birth https://w.wiki/Jqg (beware incorrect DoBs, dead siblings), same year of death https://w.wiki/HsC ; https://w.wiki/ZrE
  • Same years of birth, death; not necessarily same given name https://w.wiki/JAP https://w.wiki/JCh
  • Same year of death, restricted to unmatched TP items https://w.wiki/Zt4
  • Same year of birth, restricted to unmatched TP items https://w.wiki/Ztx
  • Priority version -- includes only for if the TP parent has been matched, and at least one child has a TP link tinyurl.com/w4yjq7l ... excluding 'Maria' tinyurl.com/re7werl ... one child with no TP link tinyurl.com/mtw98x3m
    • revised tinyurl.com/mpcjf3vw
• TP people linked to more than one father https://w.wiki/JCt / mother https://w.wiki/JPV
• Candidate matches through spouses tinyurl.com/vpvvwxh3 (last checked: 10 July 2022)

Progress

• Number and proportion of IDs matched so far: https://w.wiki/H6b
• 2019-11-14 : 29,775 matched
• 2020-02-02 : 34,593 matched (4.8%) of 719,148 distinct IDs. Jheald (talk) 13:20, 2 February 2020 (UTC)
• 2020-02-21 : 37,012 matched (5.1%) of 719,144 distinct IDs. Jheald (talk) 07:52, 21 February 2020 (UTC)
• 2020-02-27 : 40,606 matched (5.6%) of 719,133 distinct IDs. Jheald (talk) 16:13, 27 February 2020 (UTC)
• 2020-05-27 : 45,768 matched (6.4%) of 719,079 distinct IDs. ミラP 03:29, 28 May 2020 (UTC)
• 2020-08-01 : 48,896 matched (6.8%) of 719,046 distinct IDs. Jheald (talk) 17:27, 1 August 2020 (UTC)
• 2020-09-08 : 52,665 matched (7.3%) of 718,152 distinct IDs. Jheald (talk) 12:00, 8 September 2020 (UTC)
• 2020-12-10 : 54,534 matched (7.6%) of 718,176 distinct IDs. ミラP@Miraclepine 23:11, 10 December 2020 (UTC)
• 2021-03-06 : 55,385 matched (7.7%) of 718,184 distinct IDs. Jheald (talk) 11:45, 6 March 2021 (UTC)
• 2021-08-22 : 56,744 matched (7.9%) of 718,239 distinct IDs. Jheald (talk) 09:25, 22 August 2021 (UTC)
• 2021-12-20 : 57,321 matched (8.0%) of 718,401 distinct IDs. Jheald (talk) 21:17, 20 December 2021 (UTC)
• 2022-05-10 : 58,564 matched (8.2%) of 718,505 distinct IDs. Jheald (talk) 17:46, 10 May 2022 (UTC)
• 2022-09-14 : 59,133 matched (8.2%) of 718,561 distinct IDs. Jheald (talk) 22:19, 14 September 2022 (UTC)
• 2023-12-15 : 61,149 matched (8.5%) of 657,422 distinct IDs. Jheald (talk) 11:52, 15 December 2023 (UTC)

English Wikipedia articles without ID

(false positive may exist)

• Dukes and duchess: -- Pagepile 28607 (106) remaining (9)
• Marquesses and marchioness: -- Pagepile 28608 (49) remaining (1)
• Earls: -- Pagepile 28609 (1428) remaining (736) -- first 200 checked
• Viscounts and viscountess: -- Pagepile 28610 (184) remaining (17)
• Barons and baronesses: -- Pagepile 28611 (1153) remaining (215)
• Baronets and baronetess: -- Pagepile 28612 (2022) remaining (724) -- checked by surname to Eyles; nb includes children of baronets
• Children of peers: -- Pagepile 28723 (368) remaining (87)

Cleanup required

• TP people with fathers https://w.wiki/bap / mothers https://w.wiki/baq / spouses https://w.wiki/bar / children https://w.wiki/bat with no (or questionable) instance of (P31) values

Discussion

TP discussions at Project Chat

• Wikidata:Project_chat/Archive/2019/11#No need for only peers -- concerns about the TP import
• Wikidata:Project_chat/Archive/2019/11#Military ranks in the name of people -- name prefixes
• Wikidata:Project_chat/Archive/2019/11#unknown (?) -- some names from TP
• Wikidata:Project_chat/Archive/2019/11#"British peer or relation " description cleanup -- defaults for descriptions
• Wikidata:Project_chat/Archive/2019/11#Wildly variant genealogies? -- how to deal with conflation
• Wikidata:Project_chat/Archive/2020/02#Incorrect genealogy -- how to mark questionable info
• Wikidata:Project_chat/Archive/2020/03#Please help with this week's error list -- fixing people who died before they were born
• Wikidata:Project_chat/Archive/2020/03#Ways to mark possibly fictitious genealogy entries
• Wikidata:Project_chat/Archive/2020/04#Help, should I add parents of all notable persons?
• Wikidata:Project_chat/Archive/2020/05#The_Peerage_and_gender
• Wikidata:Project_chat/Archive/2020/06#Duplicate children -- KrBot to the rescue

formatter URL

@ArthurPSmith: Why did you employ the https://wikidata-externalid-url.toolforge.org/ for this property? The straightforward http://www.thepeerage.com/$1 seems to work. --99of9 (talk) 02:26, 16 August 2020 (UTC)

@99of9: It must have been requested by somebody else, I assume because the Wikidata software doesn't correctly handle the '#' character in these ID's. ArthurPSmith (talk) 14:01, 17 August 2020 (UTC)

@ArthurPSmith: In what situations does the # mess up WD software? Was it failing to actually link the pages when http://www.thepeerage.com/$1 was the primary formatter? Do you know if there is a phabricator task? --99of9 (talk) 14:14, 17 August 2020 (UTC)

@99of9: I believe it replaces the '#' and other special characters with HTML encoding, which doesn't work when you hit the server with such a URL. There are other characters for which people have to use the toolforge link similarly. There are a number of phab tasks relating to the formatter URL but I haven't particularly paid attention; it would be nice to get this fixed, but on the other hand there's probably some underlying reason for it that makes it tricky. ArthurPSmith (talk) 16:01, 17 August 2020 (UTC)

SSL

The site is available in https so have added "S" to the http part of URL as good security practice Back ache (talk) 11:22, 18 February 2021 (UTC)

Description fix

Please note Wikidata:Bot_requests#request_to_add_YOB_and/or_YOD_to_TP_descriptions_(2021-09-01). --- Jura 12:45, 1 September 2021 (UTC)