(1) He is married to Geertien Ottens.
They got married on May 2, 1891 at Sleen (Dr), he was 32 years old.Source 4
(2) He is married to Geesien Lubbers.
They got married on July 2, 1904 at Sleen (Dr), he was 45 years old.Source 5
Geboorteregister Zweeloo, 1859
Overlijdensregister Sleen, 1918
http://www.graftombe.nl/names/info/315158/jansen
Huwelijksregister Sleen, 1891
Sleen, huwelijksakte, 2 juli 1904, aktenr. 26