Heintje Michel was the second of eleven children of Friedrich Michel and Lena Reiwit. She was born in Amsterdam on 4 January 1886 and married there on 8 September 1909 Joseph Dobrowitsky, a tailor by profession. Joseph was born in Kiev in what was then Russia (present-day Ukraine) on 17 January 1882 as a son of the deceased parents Jechiel Dobrowitsky and Pessa Rosenblatt.
Joseph Dobrowitsky had a…