When Dorthe Pedersen Ringsing was born on 8 April 1680, in Ulslev, Sydfalster, Storstrøm, Denmark, her father, Peder Christensen Ringsing, was 50 and her mother, Maren Hansen Lang, was 38. She married Oluf Hansen Kaas on 10 November 1702.
Some characteristic forenames: Scandinavian Erik, Lars, Niels, Bjorn, Knud, Nils, Anders, Jorgen, Egil, Einer, Knut, Peer.
Norwegian and Danish: patronymic from the personal name Peder (see Peter ). This surname is also found in northern Germany. Compare Petersen 2 and Peterson 1.
English: variant of Peterson .