Leopold Stokowski 's daughter , Sonia married Willem Thorbecke and moved to the U.S. with their four children , Noel , Johan , Leif and Christine .
His first wife was the American concert pianist Olga Samaroff ( born Lucie Hickenlooper ) , to whom he was married from 1911 until 1923 ( one daughter : Sonia Stokowski , an actress ) .
Leopold Stokowski