public profile
Son of Vasilko Konstantinovich, prince of Rostov and Maria Eupraxia Mikhailovna Husband of Princess (Knyaginya) Maria Feodorovna Of Ryurik Father of Prince (Knyaz) Rostovo-Usretinsky Andrey Feodorovich Of Ryurik Brother of Prince of Rostov Boris Vasilkovich, Rurikids and Prince of Belozersk Gleb Vasilkovich
See here: https://ru.wikipedia.org/wiki/%D0%A0%D0%BE%D1%81%D1%82%D0%BE%D0%B2%...