He is married to Margaretha Adeleid - Margaretha Borgmann.
They got married on May 6, 1862 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 37 years old.Source 3
Witness: Joh.Henr.Gröniger Schmied Haren, Ges.Borgmann Ack.Krüssell
Child(ren):
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I7751.php
Grönninger Stephan Schmiedemeister nachmittags 4 Uhr 18851202 1885 Wesuwe 60 Jahre Auszehrung Grönninger Schmied zu Haren Johann Wilken Catharina
Gröniger zu Wesuwe Stephan, Borgmann zu Krüssell Margaretha