+———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  |      Hugh Dutton (1096 – )  |          |   +———Nicholas Hugh  |   |  +———Alice Hugh