He is married to Anna Gesina Koop.
They got married on June 16, 1801 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 24 years old.Source 3
Witness: Rudolfus Kop Joh.Bern.Fehrmann
Child(ren):
grandparents
parents
brothers/sisters
children
Joan Nicolaus Fehrmann | ||||||||||||||||||||||||||||||||||
1801 | ||||||||||||||||||||||||||||||||||
Anna Gesina Koop | ||||||||||||||||||||||||||||||||||

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I6718.php
NR NAME voornaam GEBDAT TAUFDAT GEBORT Vater-Name Vater-Vorname Mutter-Name Mutter-Vorname JAAR
Ferman Joannes Nicolaus 17760804 17760804 Dünenburg Ferman Harricus o.Henricus Bokhoff Helena
Fehrmann verh. Nicolaus Schneider und Ackersmann morgens 4 Uhr 18610825 1861 Altharen 85 Jahre Altersschwäche Fehrmann Hermann Henrich nicht bekannt
Fehrmann aus Düneburg Nicolaus, Kop aus Haar Anna Gesina