Jacob Willem Johannes Dirk Bevaart was born June 19, 1891 in 's-Gravenhage, Zuid-Holland, Nederland. Birthdate comes from Amersfoort population register (scan has since been removed from website). Birth record not yet found.
Jacob Willem Johannes Dirk Bevaart, a 24 year old opzichter fortificatie (fortification overseer/superintendant), married Sandrina Brouwer, 25 years old, in Apeldoorn, Gelderland on March 16, 1916. She was born in Apeldoorn, Gelderland and is the daughter of Aalt Jan Brouwer and Gerritje van Bekkum.