Philip de Wit, a son of Levie de Wit and Sara van Persijn, was born in Rotterdam on 15 April 1871. He earned his living as dealer and merchand and on 20 August 1890 he married in Rotterdam Aaltje Tammerijn, a daughter of Hartog Tammerijn and Johanna van der Kruk. Aaltje she was born in Rotterdam on 10 July 1868.
The couple De Wit-Tammerijn had six children, namely Levie, Johanna, Abraham, Hartog, Sara and Heintje. Abraham however died already on 7 Novembe 1895, only 4 months old. Of the other children, only Sara and her husband Jacob Joseph van Creveld survived the Holocaust. The other children of Philip and Aaltje, as well their families were all murdered in the Shoah.
After they were wed in 1890, Philip and Aaltje lived at Hofstraat 18 in Rotterdam. They then moved about 13 more times in the city, but on 3 November 1938 they moved into a house at Bellevoijstraat 48a, from where eventually they have been carried off to Westerbork. Their children had left their parental homes already in the early 1920s to start families of their own.
On 26 October 1942, the 71-year old Philip de Wit and his wife, the 74-year old Aaltje Tammerijn were put on transport from Westerbork to Auschwitz, and upon arrival there on 29 October 1942, immediately murdered in the gas chambers of Auschwitz-Birkenau.
Sources include the City Archive of Rotterdam, family registration card of Philip de Wit; website wiewaswie.nl/wedding Philip de Wit x Aaltje Tammerijn and the file cabinet of the Jewish Council, registration cards of Philip de Wit and Aaltje Tammerijn.