Abraham Appelboom was born on 24 July 1869 in Amsterdam as a son of Levie Levie Appelboom and Machtel de Beer. Due to brotherly service, he was exempted from joining the National Militia. On 14 March 1888 he married Debora Mok in Amsterdam, a daughter of Mozes Aron Mok and Catharina Peereboom who was born in Haarlem on 6 February 1866. After the marriage was concluded, they lived at Lepelstraat 59…