Uit het eerste huwelijk van Alexander Koster met Flora Buitekant overleden 21-7-1935, werden drie kinderen geboren: Femmina 21 April 1900 -1943 Auschwitz, Beatrix Eva 12 februari 1902- 1945 Muelenberg Dtl, Israël 12 februari 1905 -1943 Schoppinitz. Femmina was gehuwd met Mozes de Wolf. Uit dit huwel…
Mozes Melkman's first wife was Rebecca Sarlui. Rebecca Sarlui died on 22 January 1934. The couple had one child.
On 23 August 1936 Mozes Melkman remarried. His second wife was Beatrix Eva Koster. No children were born from this marriage. The couple lived with their child at 23 Laing's Nekstraat, s…