She is married to Johann Bernard - John Heller.
They got married on November 25, 1879 at Marystown, Louisville Township, Scott, Minnesota, United States, she was 46 years old.Source 2
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I13917.php