Aäron Henri Spier was a son from the 2nd marriage of Lewis Prins and Esther Spier. When his father died 20 January 1928, Aron Henri was nearly four years old and then presumably accommodated in the Nederlands Israëlitisch Jongensweeshuis at Amstel 21 in Amsterdam. (Dutch Israelitic Boys Orphanage). When he celebrated his 18th birthday there, he had to leave the institution so he came home to live …