Halfdan "the Meek' EYSTEINSSON
Halfdan "the Meek' was born in 0750 in Holtum, Vestfold, Norway.  He died at the age of 50 in 0800 in Bore, Vestfold, Norway.

 Imhild von ENGERN
Imhild von was born about 0745.

 Halfdan de HAITHBU
Halfdan de was born about 0775 in Jutland, Denmark.