Son of Niels Christian Edlefsen and Maren Ann Madsen Edlefsen. His surname was spelled "Edtlefsen" on the roster. Evidence from emigration and genealogical records proves the Edlefsen family traveled to Utah in 1864. They sailed to America in 1864 and had a child born in December 1864 in Utah, proving they traveled to Utah in 1864.
His birth date is confirmed by Danish baptism records.