Sigurd "Syr" Halfdansson , King of Ringerike
Sigurd "Syr" was born in 0958 in Kvam, Nord Fron, Norway.  He died in Bonsnes, Ringerike, Norway.

 Estrid (Asta) of Uplands
Estrid (Asta) of was born about 0970 in Uplands, Vestfold, Norway.  She died in 1045.

 Halfdan Sigurdsson
Halfdan was born in 0995 in Stein, Norway.

 Harald III Hardraade King of Norway
Harald III Hardraade King of was born in 1015 in Norway.  He died at the age of 51 on September 25th, 1066 in Battle of Stamford Bridge, Yorkshire, England.