Herman de Leeuw zat in het schooljaar 1942-1943 in klas 2A van het Joods Lyceum in Amsterdam. Bron: Dienke Hondius, Absent: Herinneringen aan het Joods Lyceum Amsterdam 1941-1943 (Amsterdam 2001) 269.
Lodewijk de Leeuw and Johanna Mansfeld married in Arnhem in 1907. They had three children who did not live with them anymore and who survived the war.
Addition of a visitor of the website