When Peter Petersen was born on 7 November 1852, in Hattlund, Flensburg, Schleswig-Holstein, Prussia, Germany, his father, Lorenz Petersen, was 41 and his mother, Margaretha Catharina Johnsen, was 35. He married Maria Magdalena Johannsen on 1 June 1881. He died on 15 March 1944, at the age of 91.
Some characteristic forenames: Scandinavian Erik, Nels, Lars, Niels, Jorgen, Holger, Anders, Einer, Aksel, Bent, Gunner, Knud.
Danish, Norwegian, Dutch, and North German: patronymic from the personal name Peter .
Americanized form of Norwegian and Danish Pedersen or Pettersen .