Daughter of Diderick and Maren Mortensen. On the 1855 manifest of the ship James Nesmith her given name is written as "Johan." Also known as Johannah.
Diderick emigrated with his wife, Maren, and children: Bodil, Dorothea, Ann Kjerstine, Morten, Inger, Johanne, Jens, Else, and Ane Maria. They came on the ship, James Nesmith in 1855.