When Svend Peter Larsen was born on 22 June 1824, in Idestrup, Nykøbing, Denmark, his father, Lars Andersen, was 32 and his mother, Birthe Svendsdatter, was 26. He married Ane Margrethe Larsen on 1 May 1852, in Næstved, Sankt Mortens, Præstø, Denmark. He lived in Idestrup, Idestrup, Nykøbing, Denmark for about 46 years. He died on 25 March 1913, in Idestrup, Nykøbing, Denmark, at the age of 88.
Some characteristic forenames: Scandinavian Erik, Lars, Nels, Niels, Sven, Thor, Knud, Nils, Per, Jorgen, Alf, Bjorn.
Danish, Norwegian, and North German: patronymic from the personal name Lars, an equivalent of Lawrence . This is also an Americanized form of the cognate Larssen. Compare Larson 1, Larrison , and Lawson 2.