He is married to Maria Magdalena - Maria Helena - Helena Müller.
They got married on February 8, 1820 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 25 years old.Source 3
Witness: Gerard Veltrup Ackersknecht zu Düneburg, Joseph Bippen Küster z.Wesuwe
Child(ren):
grandparents
parents
brothers/sisters
children

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I9037.php
63 in 1857, NR NAME voornaam GEBDAT TAUFDAT GEBORT Vater Name Vater Vorname Mutter Name Mutter Vorname JAAR OPMERKINGEN
Bürmann Hermannus Hendricus 17940720 17940720 Ravenberg Bürmann Adamus Hermes Anna Catharina Ravensberg
Bürmann zu Altenharen 25 Jahre Hermann Henrich, Müller zu Altenharen 22 Jahre Maria Helena