Margaretha Boas was a daughter of Abraham Juda Boas and Sophia Betje Mossel. She was born in Amsterdam on 23 September 1886. She had also a little sister, Lea, who was born on 22 November 1887 but she died already on 19 Januaary 1888, not even 2 months old. The family lived in Amsterdam and was registered in the period 1874-1893 at the addresses Zeedijk 136 and St. Anthoniebreestraat 100.
Margaret…