When Niels Andersen was born in 1715, in Ballsnes, Nordland, Norway, his father, Anders Olsen, was 30 and his mother, Marit Andersdatter, was 26. He married Agnis Larsdatter about 1747, in Evenes kirke, Nordland, Norway. They were the parents of at least 3 sons and 5 daughters. He lived in Evenes kirke, Nordland, Norway in 1715. He died after 1784, at the age of 70.