Jacob de Jong

Christina Zwaaf was the eldest of the four children of Isaäc Zwaaf and Bloeme Swaluw. She was born in Rotterdam on 15 September 1910, when her parents after their weddingday on 4 May 1910 lived at Helmersstraat 23a. They moved in 1918 to the Aert van Nesstraat but in 1924 they returned again to Helmersstraat 23 in the Jewish district of Rotterdam. Meantime Christina had a sister and two brothers: …

Jacob de Jong was deported to Sobibor in June 1943 from Vught via Westerbork on the so-called children's transport. He was 6 when he died.
J. de Moei, Joodse kinderen in het kamp Vught (Vught 1999) 41

In addition, a Jokos file (number 16945) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.