+———King of Finland Fornjot (abt 160 Finland – ) | +———Kari Fornjotsson | +———Frosit Karasson | +———Jokull Frostasson | +———Snow Snaer (King) Jokulsson | +———Thorri (King) Snaersson | +———Gorr (The Sea King) Thorrasson | +———Heytir Heiti Gorrsson (460 Raumsdal, Norway – ) | +———Svidri (The Sea King) Heytsson (600 Norway – ) | +———Halfden (The Aged) Sviedasson (700 Oppland, Norway – ) | +———Ivar of the Uplands Halfdensson (770 Oppland, Norway – ) | +———Glumra Ivarsson Eystein the Noisy (800 Maer, Nord-Trondelag, Norway – ) | | | +———Unknown Eysteinsdatter | +———Rognvald Earl of More Eysteinsson (830 Maer, Nord Trondelag, Norway – ) | | | | +———Ragnvald of Agder Gudrodsson | | | | +———Ascrida Rodnvaldsdatter | | | +———Tora Sigurdsdotter | +———(Patrician of Normandy) Rollo (Rolf) Rognvaldsson (846 Maer, Nord-Trondelag, Norway – 931 Notre Dame, Rouen, Normandie) | | | | +———Rolf Nefia | | | | +———Ragnhild (Hilda) Rolfsdatter | +———Guillaume William Longsworth (901 – ) | | | | +———Berenger De Bayeux | | | | +———Popei of (Dutchess) Bayeux | +———Sanspeur Richard I (933 – 996) | | | | +———Hubert Count of Senlis | | | | +———Luitgarda Unknown | +———William 2nd Count of E Dutton (955 Normandy, France – ) | | | | +———Knud Sigurdsson | | | | | +———Frotho De Denmark (810 – ) | | | | | +———Gorm Ensk (830 – ) | | | | | +———Harold Parcus (850 – ) | | | | | | | +———Sidu Unknown | | | | | +———Gorm De Gamel | | | | | | | +———Elfgifu of Wessex | | | | | +———Herfast De Crepon (890 – ) | | | | | | | +———Thyra Jutland | | | | | +———Herbastus Forester of Arques De Crepon (911 France – ) | | | | +———Gunnor De Crepon | | | +———Gunhild Olafsdatter (923 Denmark – ) | +———Robert 3rd Count of Dutton (1022 Normandy, France – 8 Apr 1089 Normandy) | | | | +———Unknown Turchetil | | | | +———Alice Lesceline De Harcourt (973 – 1057) | +———William 4th Count of Dutton (1040 Normandy, France – ) | | | +———Beatrice De Builly | Odard Huddard Dutton (1061 Normandy, France – ) | +———France Jeanne Unknown