Johan Andreas Jensen was born 22 October 1795 in Fredrikstad, Ostfold County, Norway to Jens Iverson (1761-1803) and Ingeborg Sophie Nielsen (1765-) and died 24 June 1881 Ephraim, Sanpete County, Utah, United States of unspecified causes. He married Martha Christena Fredericksen (1795-1850) 2 August 1820 in Ostre Frederikstad, Østfold, Norway. He married Petra Andrea Amundsdatter (1828-1909) 7 March 1852 in Onsoy Parish, Østfold, Norway.
Children
| Name | Birth | Death | Joined with |
| Annetta Matilda Jensen (1852-1921) | |||
| Josephine Albertina Jensen (1855-1888) | |||
| Joseph Young Jensen (1857-1926) | |||
| Maria Caroline Jensen (1859-1879) | |||
| Julie Jensen (1863-1863) | |||
| Amanda Jensen (1863-1945) | 28 March 1863 Oslo, Eastern Norway, Norway | 22 October 1945 Salt Lake City, Salt Lake County, Utah, United States | Andrew Clarence Nelson (1864-1913) |
| Oledia Julia Jensen (1865-1865) | |||
| Amelia Jensen (1867-1953) | |||
| Johanna Petrine Jensen (1871-1903) | |||
Siblings