Christ (Christian/Kristian) appears in the following censuses -
1895 MN census
1900 federal census
1905 MN census
1910 federal census
1920 federal census (surname misspelled)

Indexed marriage record for Christ and Tina A in 1893

Minnesota birth records are indexed for -
Bertha Kaspara 1894
Olga 1896
unnamed female 1898 (indexed with surname Higdahl)
George 1899
Martha 1899

Indexed death record for Tena in 1924
Death record for John Hegdahl in 1919?

https://familysearch.org

The actual documents rather than the indexed versions would probably provide additional details.

If the other church records for where they married still survive and are archived somewhere - you might find more information in those notes. A Lutheran minister often made notes of where a new member had originally been baptised and/or confirmed in the church.