When Peder Stephansen was born on 19 March 1819, in Storvorde, Ålborg, Denmark, his father, Steffen Pedersen, was 24 and his mother, Inger Madsdatter, was 26. He married Kirsten Marie Andersdatter on 8 November 1851, in Sejlflod, Ålborg, Denmark. They were the parents of at least 5 sons and 3 daughters. He lived in Mou, Fleskum, Ålborg, Denmark in 1860. He died on 15 April 1870, in Gudumlund, Sejlflod, Nordjylland, Denmark, at the age of 51.