Lion Mordechai Wagenaar was born in Frankfurt am Main in Germany on 3 March 1920 as the eldest of the three children of Alexander Wagenaar and Ella Helena Dzialoszynski, who were married in Frankfurt am Main on 6 December 1918. On 3 September 1921 was born there Berta Helena and on 3 November 1924 Abraham.
The family arrived in August 1926 from Frankfurt in Amsterdam and lived at various addresses…