Background
He was born in Throndhjem as the son of businessman Matz Jenssen (1760–1813) and his wife Anna, née Schjelderup Dorenfeldt (1763–1846).
He was born in Throndhjem as the son of businessman Matz Jenssen (1760–1813) and his wife Anna, née Schjelderup Dorenfeldt (1763–1846).
Lauritz Dorenfeldt Jenssen enrolled as a student in 1821, and graduated with the candidate.theol. degree in 1831. However, he did not become a priest. In 1836 he bought the farm Ranheim in Strinden for 23,000 Norwegian speciedaler, and ran a "significant" industrial company here.
He also served as mayor of Strinden municipality, from 1844 to 1845 and 1850 to 1853.
Their son Lauritz established the paper factory Ranheims Papirfabrik, and also served as a politician.