Sientje Blog was married to Herman Melkman. They had a child who survived the war. The family lived at 104 Retiefstraat, ground floor, in Amsterdam. In 1941 Herman Melkman resided at the provincial hospital 'Meerenberg' in Santpoort.
Amsterdam municipal archive, Records Jokos, Möbel-claim 117; property Joods Maatschappelijk Werk
In addition, a Jokos file (number 117) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk. The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 8154/11286).
A Liro card remains for this person or family. The cards are now at the National Archives in The Hague.