Leonard de Leeuw came from a family of five children. His father managed to have three butcher's shops, for every son one. The parents of Leonard de Leeuw survived the war.
Addition of a visitor of the website
For a biographical note see: H.E. Dominicus, Mauthausen. Een gedenkboek (2e herziene en uitgebreide druk; Amsterdam 1999) 95.
Person is in the National Database of Victims of Persecution