(1) He is married to Arnolda Constance Calkoen.
They got married on November 5, 1903 at Amsterdam, NH, The Netherlands , he was 31 years old.Source 3
The couple were divorced from January 27, 1915 at Heerenveen, Fr, The Netherlands .Source 4
(2) He is married to Johanna Roelina Maria Geziena Swaan.
They got married after 1942.
Balthazar Theodorus Baron van Heemstra | ||||||||||||||||||
(1) 1903 | ||||||||||||||||||
Arnolda Constance Calkoen | ||||||||||||||||||
(2) > 1942 | ||||||||||||||||||
Johanna Roelina Maria Geziena Swaan |