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From Rodovid EN

Lineage	Ертогрулови
Sex	Male
Full name (at birth)	Сари Бату Савджи Ертогрулів син Ертогрулов
Parents ♂ Ertuğrul Gazi [Osman] b. 1198 d. 1281 ♀ Хайма [?]

From grandparents to grandchildren