When Peter Severin Sivertsen was born on 27 September 1867, his father, Sivert Andreas Jacobsen, was 42 and his mother, Anne Pernille Eriksdr, was 39. He married Lovise Johanne Ellingsdatter on 24 June 1895, in Ørskog, Møre og Romsdal, Norway. They were the parents of at least 3 sons and 5 daughters. He died in 1943, at the age of 76.
Some characteristic forenames: Scandinavian Sigvard, Bodil, Erik, Nanna, Per, Selmer, Sig, Tor.
Norwegian and Danish: patronymic from the personal name Sivert . Compare Severtson , Sivertson , and Syvertsen .