When Marcelia or Marselia Sivertsen Løvøen was born on 22 May 1824, in Kornstad, Averøy, Møre og Romsdal, Norway, her father, Sivert Larsen, was 35 and her mother, Marsella Poulsdr, was 38. She married Johannes Olsen Rosvåg on 23 April 1846, in Kvernes, Averøy, Møre og Romsdal, Norway. They were the parents of at least 4 sons and 3 daughters.
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 .