Groa married Jarl of Maerr Ragnwald Eysteinsson in 851. Ragnwald (son of Jarl of the Uplanders Eystein Glumra and Ascrida Ragnvaldsdottir, of Agder) was born in 830 in Maer, More Og Romsdal, Norway; died in 894 in , , Orkney, Orkney Islands, Scotland, United Kingdom. [Group Sheet] [Family Chart]

1. Earl of Orkney Torf-Einar Ragnvaldsson Bruce was born in 852 in Maer, More Og Romsdal, Norway; died in 910 in , , Orkney, Orkney Islands, Scotland, United Kingdom.