What other item? All of it is disambiguation. Take a break.
Topic on User talk:ValterVB
"Take a break" you tell someone else. You have merged Q12174093 with Q18395967 but the first is a real disambiguation, you can find it in uk:Спеціальна:Сторінки_тлумачення_неоднозначності the second is a page about surname, you can't find it in Special:DisambiguationPages In wikidata we don't merge different type of item like these. I suggest you to read our guideline in Wikidata:WikiProject Disambiguation pages/guidelines
both items are really about the surname Ястремський/Yastrzemski, so seriously take a break as you not helping wikimedia by any stretch of imagination, instead you talking about some distinction without difference
I posted this on Wikidata:Requests for comment