Father | MaleUlf 'Wolf' Jarl of Skane Thorgilsson, Earl of Denmark |
| Born | 967 | Hålland, Jamtland, Sweden |
| Died | 22 Sep 1027 | Roskilde, Denmark |
| Buried | ||
| Married | 1015 | Denmark |
| Father | THORGILS SPRAKALEG STYRJORNSSON | F686 Group Sheet | |
| Mother | Sigrid Thorkill Styrbjornsson Sprakling | F686 Group Sheet | |
Mother | FemaleEstrid Margaretha Svensdotter |
| Born | 997 | Roskilde, Roskilde, Denmark |
| Died | 09 May 1047 | Roskilde, Roskilde, Denmark |
| Buried | ||
| Other Spouse | Richard leBon Normandy | F473 | |
| Married | ||
| Other Spouse | Robert L Magnificent Normandy | F784 | |
| Married | ||
| Other Spouse | Njal Sandnes Finnsson | F807 | |
| Married | Norway |
|
| Other Spouse | Eilif Thorgilsson | F824 | |
| Married | ||
| Other Spouse | Vladimir Volynsk Vladimiriovich | F1587 | |
| Married | 1014 | |
| Other Spouse | Vsevolod Vladimirovich | F1588 | |
| Married | 1015 | Roskilde, Roskilde, Denmark |
| Father | Sweyn Forkbeard | F859 Group Sheet | |
| Mother | Gunhilde Sigrid or Swietoslava "The Haughty" Queen of Sweden Denmark and Norway "Meiczyslavdatter" Poland | F859 Group Sheet | |
Child 1 | MaleSiward "the Dane" (Earl of Northumbria) Biornsson |
| Born | 1020 | Denmark |
| Died | 05 May 1055 | York, Yorkshire, , England |
| Buried |
Svend II Ulfsson Denmark |
| Born | 20 Oct 1019 | Hellige Trefolg, Kirken, Roskilde, Denmark |
| Died | 29 Apr 1076 | Soderup, Kobenhavn, Denmark |
| Buried | Roskilde, Sjaeland, Denmark |
|
| Spouse | Rannveig Tordsdatter | F411 | |
| Married | 1047 | England |
| Spouse | Tora Thora Thorbergsdotter | F415 | |
| Married | 1048 | England |
| Spouse | Jutta Gyda Anundsdotter of Sweden | F412 | |
| Married | 1054 | |
| Spouse | Gytha Anundsdatter Denmark | F413 | |
| Married | 1030 | Denmark |
| Spouse | Gunnhildr Sveinsdóttir | F414 | |
| Married | 1052 | Denmark |
Child 4 | FemaleAdelais Judith of Normandy Countess Burgundy |
| Born | 1003 | Normandy, France |
| Died | 27 Jul 1037 | France |
| Buried |
Child 5 | FemaleGytha Ulfsdotter |
| Born | 1000 | Hålland, Jamtland, Sweden |
| Died | 1022 | Wessex, England |
| Buried |
Child 7 | MaleBiorn Ulfsson Estridsen Jarl of Denmark |
| Born | 1021 | Denmark |
| Died | 1049 | Northumberland, England |
| Buried |
Child 9 | FemaleGytha Ulfsdotter |
| Born | 1005 | Hålland, Jamtland, Sweden |
| Died | 21 Jun 1069 | Flanders, France |
| Buried |
Child 10 | MaleAsbjørn Sprakalegg Ulfsson |
| Born | 1022 | Fjenneslev, Vestsjalland, Denmark |
| Died | 1086 | England |
| Buried |
Child 12 | MaleBjoern Ulfiusen |
| Born | 01 Feb 1001 | Danmark, Uppsala, Sweden |
| Died | 06 Apr 1046 | York, Yorkshire, England |
| Buried |