Margaretha Munnikendam was a daughter of Joël Munnikendam and Helena Sloog. She married on 19 June 1925 in Amsterdam to Juda Kool, son of Zadok Kool and Eva Bleekveld. Juda passed away on 8 December 1937. Some time after Juda's death, Margaretha moved in at the address of her sister Debora, who lived allone since her divorce in 1931.
City Archive of Amsterdam, archive cards of Margaretha Munnikend…