He is married to Maria Anna - Maria Möhlmann.
They got married on May 4, 1852 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, he was 30 years old.Source 3
Witness: Herm.Fischer Ack.Kn.Altharen Adel.Möhlmann Ack.Mäd.Wesuwe
Child(ren):
grandparents
parents
brothers/sisters
children
Johann Gerhard Fischer | |||||||||||||||||||||||||||||||||||||||
1852 | |||||||||||||||||||||||||||||||||||||||
Maria Anna - Maria Möhlmann | |||||||||||||||||||||||||||||||||||||||

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I31278.php
NR NAME voornaam GEBDAT TAUFDAT GEBORT Vater-Name Vater-Vorname Mutter-Name Mutter-Vorname JAAR
Fischer Joan Gerard 18210704 18210705 Altenharen Fischer /Ackersmann Otto Albers Helena
Fischer Johann Gerhard Pächter mittags 1 Uhr 18881225 1888 Langenberg 67 Jahre Lungenentzündung Fischer Heuermann zu Altharen Otto Albers Helena Langenberg
Fischer zu Altharen 31 Jahre Johann Gerhard, Möhlmann zu Wesuwe 31 Jahre Maria