When Jens Nielsen was born on 1 November 1772, in Vejle, Denmark, his father, Niels Jørgensen Uth, was 48 and his mother, Barbara Jensdatter, was 35. He had at least 7 sons and 5 daughters with Sidsel Andersdatter. He lived in Ullerup, Elbo, Vejle, Denmark in 1834.
Some characteristic forenames: Scandinavian Erik, Niels, Jorgen, Knud, Lars, Nels, Bent, Borge, Holger, Ove, Einer, Oluf.
Danish, Norwegian, and North German: patronymic from the personal name Niels, a shortened form of Nikolaus (see Nicholas ). Compare Nielson , Neilsen , Nelsen , Nilsen , and Nilson .