He is married to Maria Margaretha "Onkel-Greite" Wilken.
They got married on February 14, 1888 at Rütenbrock, he was 60 years old.Source 2
Zeuge: Haar Bernard Heinrich Schneider zu Hebelermeer Fenslage geboren Sulmann Thecla Colonistenfrau zu Hebelermeer
Wilken Anton Wittwer und Colonist zu Hebelermeer 18270305 Lindloh (Rütenbrock) Wilken Albert Tholen Christina Colonist Wilken Margaretha Wittwe Wielage und Sulmann zu Barger-Compascuum 18410201 Altenberge Wilken Johann Bernard Einspannier Helena Colonist Barger-Compascuum 18880214