She is married to Lambert Koop.
They got married on August 12, 1861 at Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, she was 28 years old.Source 2
Child(ren):
grandparents
parents
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Margaretha Müller | ||||||||||||||||||||||||||||||||||
1861 | ||||||||||||||||||||||||||||||||||
Lambert Koop | ||||||||||||||||||||||||||||||||||

Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I32869.php
Koop Witwer zu Haaren Lambert, Müller zu Altharen Margaretha