Which Russian royal family was executed in Yekaterinburg in July 1918?

A Russian Blue is which type of animal? Which Russian chess grandmaster lost a match to IBM's Deep Blue in 1997? What Russian word names a grandmother or the kerchief she wears? A Russian immigrant mouse named Fievel Mousekewitz is the hero of which 1986 animated film? What is a sacred song or hymn, especially one in a book of the Bible, called? What is a sailing vessel with a single mast and a fore-and-aft rig called? A sailor boy and his dog Bingo began appearing on packages of which snack in 1918? Where does a sailor traditionally store his possessions?