When Thrine Margrethe Jeppesen was born on 4 January 1826, in Østrup, Odense, Denmark, her father, Jeppe Pedersen, was 45 and her mother, Casparra Hermanna Margaretha Nielsdatter, was 44. She married Niels Christian Rasmussen on 7 February 1858, in Østrup, Odense, Denmark. They were the parents of at least 1 son. She lived in Lumby, Lunde, Odense, Denmark in 1860 and Næsbyhoved-Broby, Odense, Odense, Denmark for about 26 years.