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Here you have Severin and Hildas marriage in Trefoldighets church in Oslo in 1873 - marriage no. 6 on the page.
Source information: Oslo county, Trefoldighet, Parish register (official) nr. III 1 (1858-1874), Marriage records 1873, page 298.
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I can see that Severin is from Eidsvoll in Akershus, and Hilda from Ullensaker in Akershus.
Laila in Norway