Johnny de Vries was born in Rotterdam in 1941. His parents are Rootje de Vries (van Geldere) also from Rotterdam. His father, Siegfried de Vries also a Rotterdam native. This branch of the de Vries' is Jewish and after WW II, what was left of this large family either moved to the United States or Israel. Grandparents were de Vries (Winschoten) and on my mother's side, grandparents were van Geldere from Arnhem.