Petra Andrea Amundsdatter Jensen was born 3 March 1828 in Fredrikstad, Ostfold County, Norway to Amund Pedersen (1792-1851) and Oliana Hansdatter (1796-1861) and died 17 April 1909 Ephraim, Sanpete County, Utah, United States of unspecified causes. She married Johan Andreas Jensen (1795-1881) 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