Branca Kool, a daughter of Elias Kool and Elisabeth Elzas, married 19 April 1933 in Amsterdam to Juda Schaap, a son of Willem Schaap and Elisabeth Groen.
City Archive of Amsterdam, family registration card of Elias Kool and archive card of Juda Schaap .
In addition, a Jokos file (number 12561) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.