Petronella van Rooijen, a daughter of Salomon van Rooijen and Bransje Mossel, married 17 May 1916 in Rotterdam Meijer Filip Knap, a son of Marcus Knap and Debora van Emrik. The couple had two sons, namely Marcus Salomon and Salomon Marcus. Both sons, who got still married in the summer of 1942, have been killed, together with their newly wed wives, on 30 September 1942 in Auschwitz.
Petronella v…