He is married to Susanna Adeleid - Aleida - Adelheid - Anna Adelheid Fenslage.
They got married on April 28, 1857 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 28 years old.Source 3
Witness: Bern Henr.Fenslage Ack.Kna.Wesuwe Maria Adel.Jansing Ack.Mäd.Kossehof
Child(ren):
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I25217.php
Jansing Johann Hermann Heinrich Heuermann mittags 12 Uhr 18980325 1898 Geest 69 Jahre Herzlähmung Jansing Heuerm.zu Kossenhof Bernard Heinrich Dulle Anna Maria Fenslage Adelheid
Jansing zu Deldorf, Fenslage zu Deldorf