Magnus 'Mangi' Slagbrellir

INGIGERD. Orkneyinga Saga records the marriage of “Earl Rognvald…his daughter Ingerid” and “Eirik Stay-Brails”[917].
m (Sutherland Spring 1156) ERIK Slagbrellir, son of ERIL Streita & his wife Audhild [daughter of Thorliot].
Erik & his wife had [seven] children: (Cawley's Medlands)

(1) HARALD Eriksson "Ungi" ([1156]-killed in battle Wick 1198).
(2) MAGNUS Mangi (-killed in battle near Fimreite on Sognefjord 15 Jun 1184). Orkneyinga Saga names (in order) “Harald the Young, Magnus Mangi and Rognvald” as the three sons of “Eirik Stay-Brails”, adding that Magnus was killed with Magnus V Erlingsson King of Norway “at Sogn”[920]. (Cawley's Medlands)
(3) ROGNVALD. Orkneyinga Saga names (in order) “Harald the Young, Magnus Mangi and Rognvald” as the three sons of “Eirik Stay-Brails”[921]. (Cawley's Medlands)
(4) INGEBIORG.
(5) ELIN.
(6) RAGNHILD.
(7) daughter .