When Niels Sivert Lauridsen was born on 26 March 1868, his father, Jeppe Christian Lauridsen, was 34 and his mother, Mette Kirstine Nielsen, was 25. He married Marie Lucie Nielsen on 26 March 1894, in Vedersø, Ringkøbing, Denmark. They were the parents of at least 3 sons and 2 daughters. He lived in Stadil, Hind, Ringkøbing, Denmark in 1906. He died in 1957, in Vedersø, Ringkøbing, Denmark, at the age of 89.