I noted on your tree that you link the marriage data from familysearch.org - sometimes there is more data on the original:

#5
Married 5 Mar 1856
Groom: bachelor, sailor, Carl Marentius Engebregtsen
23 years old, born Fredrikstad, son of Engebregt Halvorsen
Bride: maiden, Andrea Marie Andersdatter
26 years old, born Fredrikstad, dau. of Anders Morvetsen (?)

Kildeinformasjon: Østfold fylke, Glemmen, Ministerialbok nr. 7 (1853-1862), Ekteviede 1856, side 111.
Permanent sidelenke: http://www.arkivverket.no/URN:kb_read?idx_kildeid=364&id...