(1) He is married to Adriana Jacoba Maria Boellaard.
They got married on September 2, 1907 at 's Gravenhage , he was 25 years old.Source 1
The couple were divorced on January 11, 1927.
(2) He is married to Helena Maria Catharina Voûte.
They got married on October 2, 1928 at 's Gravenhage , he was 46 years old.Source 2
Bij KB van 27 november 1928 is de geslachtsnaam van de bruidegom en zijn nakomelingen veranderd van Pannekoek in 's-Gravesande Pannekoek.
Goverdus Henricus Pannekoek | ||||||||||||||||||
(1) 1907 | ||||||||||||||||||
Adriana Jacoba Maria Boellaard | ||||||||||||||||||
(2) 1928 | ||||||||||||||||||
Helena Maria Catharina Voûte |