Zoon van Casper Backhausen en Anna Wilhelmina van Raaijen
He is married to Maria Johanna Kevelam.
They got married on November 22, 1922 at Harderwijk, he was 36 years old.Source 1
Heinrich Backhausen is weduwnaar van Johanna P. van Vreede
echtscheiding vonnis Rotterdam 04-03-1935
The couple were divorced from March 4, 1935 at Rotterdam .