(Q1594223)
Statements
3 references
3 references
Sybren de Groot (Dutch)
1 reference
Sybren Ruurds de Groot (Dutch)
1 reference
2 references
2 references
2 references
18 April 1916Gregorian
4 references
9 September 2019
9 May 1994
5 references
10 May 2014
Sybren Ruurds de Groot (Dutch)
3 references
1 reference
2 references
1 reference
1 reference
2 references
10 June 1953
3 April 1964
1 reference
1 January 1964
1 August 1984
1 reference
15 September 2019
Identifiers
1 reference
1 reference
Sitelinks
Wikipedia(2 entries)
- dewiki Sybren Ruurds de Groot
- nlwiki Sybren de Groot