Marcus Boas was the 2nd of the five children of brushmaker Boas Boas and Rachel Mechanicus, of whom two sibs have died even before their third year. Marcus was born on 16 February 1893 at Lepelstraat 69 in Amsterdam. He he had a younger brother Benjamin and a younger sister Grietje.
His father, Boas Boas, was not only a brush maker, but also a diamond cutter and travelled regularly to Antwerp with…