Hendrika Premselaar married Willem van Collem on 18 August 1942 in Amsterdam, a son of Samuel van Collem and Grietje Moffie.
City Archive of Amsterdam, archive card of Samuel van Collem.
Hendrika van Collem-Premselaar joined the Hollandia-Kattenburg textile factory in Amsterdam on 13 July 1941. On Wednesday, 11 November 1942, around 4:30 PM, Willy Lages conducted the Sicherheitspolizei raid on the Hollandia factories. All exits were blocked, and the Jewish staff members were taken away that evening. Photographs of all workers taken away that evening, as well as those deported previously, appear in the 'Boek der tranen' [Book of tears].
Jewish Historical Museum, Documents collection, inv.nr B1376, 'Boek der tranen' [Book of tears]