(1) He is married to Geertruida Cornelia de Boer.
They got married on March 23, 1899 at Amsterdam, Noord-Holland, Nederland .Source 2
(2) He is married to Janna Petronella Klok.
They got married on November 8, 1923 at Amsterdam, Noord-Holland, Nederland .Source 1
Conrad August Johannes Hamburger | ||||||||||
(1) 1899 | ||||||||||
Geertruida Cornelia de Boer | ||||||||||
(2) 1923 | ||||||||||
Janna Petronella Klok |