Carolina Peper was a daughter of Joël Peper and Leentje Leuw. She married 18 October 1933 in Amsterdam Samuel Mok, a son of Isaac Mok and Aaltje Wurms. Carolina and Samuel had two children, of whom the first one died by birth in 1934. The other child, Jack Samuel, was killed during the Holocaust.
Carolina had one sister, who has survived the war.
City Archive of Amsterdam, archive card of Carolina Peper, Joël Peper and Samuel Mok.