When Jens Andersen was born in 1745, in Svendborg, Denmark, his father, Anders Jeppesen, was 36 and his mother, Marie Hansdatter, was 35.
Some characteristic forenames: Scandinavian Erik, Niels, Lars, Nels, Per, Anders, Holger, Jorgen, Thor, Bjorn, Helmer, Alf.
Norwegian, Danish, and North German: patronymic from the personal name Anders, a vernacular form of Andreas . Compare Anderson 1.
Americanized form of Norwegian, North German, and very rare Danish patronymic Anderssen, a cognate of 1 above. Compare Andersson 2.