Bertus Samuel Meijer was a son of Simon Meijer and Helena Troostwijk. He had two other sisters, Roosje and Jacoba Keetje. His mother, he self and both his sisters have been killed in the Shoah. His father has survived the Holocaust. Bertus Samuel was still unmarried.
website www.wiewaswie.nl and Streekarchief Midden Holland - Joodse families 1750-1950