When Berte Maria Juelsdatter was born on 22 July 1825, in Onsøy Kirke, Onsøy, Østfold, Norway, her father, Juel Andersen, was 29 and her mother, Lisbet Olsdatter, was 30. She married Lars Andersen on 30 October 1846, in Onsøy Kirke, Onsøy, Østfold, Norway. They were the parents of at least 3 sons and 5 daughters. She lived in Østfold, Norway in 1825 and Clear Lake Township, Hamilton, Iowa, United States in 1880. She died on 16 December 1885, in Onsøy Kirke, Onsøy, Østfold, Norway, at the age of 60, and was buried in Onsøy Kirke, Onsøy, Østfold, Norway.