#dutch
Stephanus Lucas Schopman (1891 - d.) - Genealogy
https://archief.amsterdam/indexen/deeds/985333e8-4549-56a3-e053-b784100ade19?person=985333e8-454a-56a3-e053-b784100ade19
https://www.oorlogsbronnen.nl/tijdlijn/6302681c-39ca-4323-9e86-5a9a0da8e9c1