22 January 1854–
Tømmerup, Torup, Frederiksborg, Denmark
When Birthe Margrethe Olsen was born on 22 January 1854, in Tømmerup, Torup, Frederiksborg, Denmark, her father, Ole Pedersen, was 43 and her mother, Birthe Kirstine Hansen, was 38. She married Hans Nielsen on 20 February 1880. They were the parents of at least 2 daughters.