She was born between 1874 and 1878. She spoke Yiddish. She was from Russia.. I found her in 1910 census in CA under name Amelia Johnson. She was married to Charles A. JANSEN in 1906 in CA. I found her marriage certificate. She came to America in 1896 from Bremen.
I found her in 1920 and 1930 in CA... she died in 1935 which I have her death certificate.. No mention of parent name or where she is from.
This spelling is from some research into Russia and info about a Count Rostovtsev and so we are presently using that spelling.
Different Spellings of her last name
Rysgorzoff
Roskovgeff
Legoff
Rostorezeff
Rostovell
ROSTOWSEFF
It was said that she was governess for the children of the Russian Ambassador to Turkey until the Bolsheveck Party came into power 1895-1905
Debbe