Simon David, the son of Isaac David and Elizabeth Velleman, still living at home with his parents and who worked as an office clerk, was born in Rotterdam on 21 June 1897 and was given the surname Velleman from his mother at birth. On 30 March 1903, seven months after Isaac David and Elizabeth Velleman were married in August 1902, it was recorded in a deed that Isaac David and Elizabeth Velleman “…