When Jens Christian Larsen was born on 8 November 1840, in Skallerup, Sejlstrup, Denmark, his father, Laurs Jensen, was 31 and his mother, Mette Poulsdatter, was 32. He married Bodeline Madsen on 14 July 1876, in Skallerup, Sejlstrup, Denmark. They were the parents of at least 2 sons and 2 daughters. He lived in Skallerup, Vennebjerg, Hjørring, Denmark in 1850 and Hjørring Sankt Hans, Vennebjerg, Hjørring, Denmark in 1880.
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.