Hirsch van de Kar was a son of Emanuel Salomon van de Kar and Rebecca Vragtedrager. He was married ton 7 May 1902 in Amsterdam to Maria Catharina Vesters, who was not Jewish. She died at 6 November 1942 in Bloemendaal. the couple had two children, who both have survived the war.
City Archive of Amsterdam, archive card of Hirsch van de Kar and an addition of a visitor of the website
A grandchild …