Leendert Zomerplaag was deported to Sobibor in June 1943 from Vught via Westerbork on the so-called children's transport. He was 11 when he died. J. de Moei, Joodse kinderen in het kamp Vught (Vught 1999) 91
The fate of Emanuel Zomerplaag, his wife Lea Vos and their children Henriette and Leendert.
Lea Vos was a daughter of Leendert Vos and Esther Porcelijn. She was born on 30 October 1906 in Amsterdam as the first of six children of the Vos family. She went with her parents, brother Hijman and sister Rachel in August 1913 to Antwerp and lived there at Bleekerijstraat 1. In 1914 they returned to Amsterdam where her brother Hartog was born in May 1914. Two months later, back in Antwerp, they …