Johan Theodor was born in Mandal 8 Aug and christened 26 Sep 1820[1]
Living in Grangemouth, Scotland when he married Anna Natalia Salvesen, daughter of consul Niels Salvesen, in Mandal 27 Jun 1847.[2][3]
Johan Theodor emigrated to Scotland with his family in 1847 or 1848.[4]
Sources
Salvesen, A.E.H. (1995) Slekten Salvesen
Find a Grave, database and images (https://www.findagrave.com/memorial/217915080/johan-theodore-salvesen: accessed 05 July 2023), memorial page for Johan Theodore Salvesen (8 Aug 1820–23 Dec 1885), Find a Grave Memorial ID 217915080, citing Polmont Old Parish Church Cemetery, Polmont, Falkirk, Scotland; Maintained by Chips (contributor 47271788).