February 3, 1816, in the rectory at Nysätra, Västerbotten, Sweden.
February 24, 1868, Sweden.
Johanneskyrka, Stockholm, Sweden.
Son of a rector, Rosenius was never ordained, but was an influential Lutheran preacher. He edited The Pietist (1842–62), and made extensive contributions thereto. His wife was Agata Rosenius. Oscar Ahnfelt had a large role in popularizing Rosenius’ hymns.