He is married to Katharina Maria Gröninger.
They got married on February 19, 1916 at Vlagtwedde, Westerwolde, Groningen, Nederland , he was 22 years old.Source 2
Rudolf Wolbers | ||||||||||||||||||
1916 | ||||||||||||||||||
Katharina Maria Gröninger |
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I34349.php
22 in 1916, gemeente Vlagtwedde