When Jens Jespersen was born on 6 September 1807, in Fjelsted, Hindsgavl, Denmark, his father, Jesper Henriksen, was 31 and his mother, Mette Catherine Jensen, was 31. He died on 13 May 1808, in his hometown, at the age of 0, and was buried in Fjelsted, Hindsgavl, Denmark.
Some characteristic forenames: Scandinavian Aksel, Eilif, Jorgen, Maija, Niels, Sigfred, Sten. German Otto.
Danish, Norwegian, and North German: patronymic from the personal name Jesper, Danish and Low German form of Kasper and Kaspar , equivalents of Casper .