Jetta de Rooij (de Rooy) was a daughter of Samson de Rooy (de Rooij) and Carolina Cohen. She married in Amsterdam on 22 June 1932 to Soesman Peereboom.
City Archive of Amsterdam, archive card of Samson de Rooy (de Rooij) .
In addition, a Jokos file (number 18208) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.