Halfdan "the Old" Eysteinsson
Halfdan "the Old" was born in 0775.  He died at the age of 65 in 0840.

 Hilf Daysdottir
Hilf is no longer alive.

 Earl of Uplands Ivar Halfdansson of the Uplands Earl of Uplands
Ivar Halfdansson of the was born about 0760.  He died about 0790.