You write that Elev Ellingsen was married to Maria Christensen. That does not match this marriage record. Possibly he was married more than once:

#7
Married 21 Jun 1864
Ellev Ellingsen, 31 yrs old, son of Elling Larsen,
born at Ulvid.
Maria Sørensdatter, 22 yrs old, daughter of Søren Sørensen
born at Kulstad.

Kildeinformasjon: Nord-Trøndelag fylke, Vuku i Verdal, Klokkerbok nr. 724C04 (1846-1878), Ekteviede 1864, side 286.
Permanent sidelenke: http://www.arkivverket.no/URN:kb_read?idx_kildeid=3814&i...