Juda Turfrijer married Mietje Fresco in 1925 in The Hague. They had three children: Joseph, Jonas and Carolina (who died young). They divorced in 1935. His second wife was not Jewish. He also was a merchant.
Addition of a visitor of the website
For a biographical note see: H.E. Dominicus, Mauthausen. Een gedenkboek (2e herziene en uitgebreide druk; Amsterdam 1999) 159.