1.0 Olafsson, Halfdan (M b. ABT. 704 Romerike, Norway ) + Eysteinsson, Asa (F b. ABT. 709 Uppland, Norway )
2.1 Halfdansson, Eysteinn I Fretr (M ) + ~NONE, (? )
2.2 Halfdansson, Gudrod (M b. ABT. 738 Vestfold, Norway d. AFT. 770 Norway ) + ~NONE, (? )
1.0 Haraldsson, Halfdan (M b. ABT. 590 Jutland, Denmark ) + ~NONE, Moalda (F b. ABT. 590 Jutland, Denmark ) ( m. Denmark )
2.1 Halfdansson, Ivar , King of Sweden (M b. ABT. 612 Denmark ) + ~NONE, (? )
1.0 Halfdansson, Olaf (M b. ABT. 540 Denmark ) + Halfdansson, Helgi (F b. ABT. 528 Denmark ) ( m. Denmark )
1.0 Frodasson, Halfdan (M b. ABT. 503 Denmark ) + Frodasson, Sigris (F b. ABT. 507 Denmark ) ( m. Denmark )
2.1 Halfdansson, Signa (F b. ABT. 524 Denmark )
2.2 Halfdansson, Hroar (M b. ABT. 526 Denmark ) + ~NONE, Ogne, Princess of Northumberlan (F b. ABT. 530 Northumberland ) ( m. Denmark )
2.3 Halfdansson, Helgi (F b. ABT. 528 Denmark ) + Helgasson, Yrsa (M b. ABT. 565 Denmark )
2.3 Halfdansson, Helgi (F b. ABT. 528 Denmark ) + Halfdansson, Olaf (M b. ABT. 540 Denmark ) ( m. Denmark )
1.0 Halfdansson, Solveig (F b. ABT. 684 Sweden ) + Ingjaldsson, Olaf (M b. ABT. 682 Vaermland, Sweden )