https://www.mappingthelives.org/bio/ec4f88d8-8a33-47f0-8dc8-6fff442b78e4
https://museenkoeln.de/ns-dokumentationszentrum/default.aspx?sfrom=2925&s=2922&id=1630&buchstabe=D
Max Demant | Database of victims | Holocaust
Grandson: Manfred Klein See: [Central Location Index – Part 8] 131941005 - Dokumente - Talk in the Forum of the Arolsen Archives (arolsen-archives.org)
Applicant is his son: Alfred Leo Demant (1912 - 1986) - Genealogy (geni.com)