Thyra ou Gundella Eysteindottir
- Born: 760, Norway
- Marriage (1): Ivar 'Opplendingejarl' Halfdansson before 800 in Europe
- Died: Abt 850, Oppland, Noruega aged about 90
FamilySearch ID: PQPF-QL8.
Thyra married Ivar 'Opplendingejarl' Halfdansson, son of Halfdan "The Meek" Eysteinsson and Hilf Dagsdottir Queen of Vestfold, before 800 in Europe. (Ivar 'Opplendingejarl' Halfdansson was born in 770 in Oppland, Flatanger, Nord-Trøndelag, Norway, christened in line of, Kings of Danes, Odin, Denmark, died in 824 in Vestfold, Norway and was buried in 824 in Oppland, Nordland, Norway.)
|