As of 18 August 2010, you must register to edit pages on Rodovid (except Rodovid Engine).

From Rodovid EN

Lineage	Сердюковы
Sex	Male
Full name (at birth)	Иван Михайлович Сердюков
Parents ♂ Михаил Иванович Сердюков [Сердюковы]

Events

marriage: ♀ Евфимия Акинфьевна Демидова (Сердюкова) [Демидовы] b. after 1723

From grandparents to grandchildren