She is married to Joannes Burchardus - Johannes Grönniger.
They got married on September 29, 1799 at Wesuwe, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany, she was 27 years old.Source 3
Witness: Gerhard Menke, Joseph Bippen
Child(ren):
Pauline Berens: Genealogienetwerk zus Greetje Berens voorheen EemslandBoekweitBoerenImmigratie
https://www.genealogieonline.nl/the-dutch-connection/I10113.php
name: Maria Gertrudis, NR NAME voornaam GEBDAT TAUFDAT GEBORT Vater Name Vater Vorname Mutter Name Mutter Vorname JAAR OPMERKINGEN
ouders: Lüecken Joannes, Fehr Aleidis, names when married in 1799: Gröninger Johannes, Lüken Anna Adeleid
parents when son Johann Heinrich married: Gröninger Burchard, Lüken Gerdrut,
parents when son Johann Heinrich was born: Gröninger Johannes Lüken Anna Adeleid
parents when daughter Anna Adelheid was born: Gröninger Joh. Burchardus, Lüken Gertrudis
Lüken Gertrud Ackersfrau 18471228 1847 Haar 77 Jahre Lüken Wesuwe Johann Zurvehr Adeleid Gröniger Johann Burchard Ackersmann Haar
Gröninger aus Haar Johannes, Lüken aus Wesuwe Anna Adeleid