Hendrina Pach was a daughter of David Pach and Golde van Duijm. She married in Amsterdam on 26 May 1915 to Levie Koopman. City Archive of Amsterdam, archive card of Hendrina Pach.
In addition, a Jokos file (number 35524) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
A Liro card exists for this person or family. The original cards are kept at the Nationaal Archief (National Archive) at The Hague.