De ouders van Lambertus Welink zijn Roelof Welink en Willemina Littouw.
(1) He is married to Fenneken HOLTKAMP.
They got married on February 8, 1923 at Enschede , he was 22 years old.Source 3
The couple were divorced from January 4, 1934 at Enschede .Source 4
(2) He is married to Berendina TER HORST.
They got married on February 13, 1934 at Lonneker , he was 33 years old.Source 5