Sara de Rooy (de Rooij) was a daughter of Jacob de Rooij and Betje Vischschoonmaker. She married in Amsterdam on 16 June 1932 to Benedictus Kan, son of Samuel Kan and Debora Soesan. The couple had two children: Samuel and Jacob Jacques.
City Archive of Amsterdam, archive card of Jacob de Rooij, Bene…
In addition, a Jokos file (number 37892) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.