Henriette Velleman was a daughter of Levie Velleman and Rebecca Italiaander. She was born in Sloten on 19 November 1899 as the 3 rd of 6 children and married on 19 June 1929 in Amsterdam her cousin 1 st degree Simon Bierman. He was a son of Levie Bierman, who was married to Rebecca Italiaander's sis…
In addition, a Jokos file (number 14874) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.