Romanov

[roh-muh-nawf, -nof, roh-mah-nuh f; Russian ruh-mah-nuh f] /ˈroʊ məˌnɔf, -ˌnɒf, roʊˈmɑ nəf; Russian rʌˈmɑ nəf/

noun

a member of the imperial dynasty of Russia that ruled from 1613 to 1917.

Mikhail Feodorovich

[myi-khuh-yeel fyaw-duh-ruh-vyich] /myɪ xʌˈyil ˈfyɔ də rə vyɪtʃ/ (Show IPA), 1596–1645, emperor of Russia 1613–45: first ruler of the house of Romanov.

Also, Romanoff.

British Dictionary definitions for Romanov

Romanov

/ˈrəʊmənɒf; Russian raˈmanəf/

noun

any member of the Russian imperial dynasty that ruled from the crowning (1613) of Mikhail Fyodorovich to the abdication (1917) of Nicholas II during the February Revolution