Nielsen Hayden genealogy
Ancestors of Helene of Denmark
Abt 1180 - 1233 (~ 53 years)
┌── Ulf Thorgilsson 
( - 25 Dec 1026 Trinity Church, Roskilde, Zealand, Denmark) =>
( - 25 Dec 1026 Trinity Church, Roskilde, Zealand, Denmark) => ┌── Swein II Estridsson, King of Denmark (Abt 1026 England -
│ Apr 1074 Søderup, near Åbenrå, Sonderjylland, Denmark)
(Abt 1026 England -│ Apr 1074 Søderup, near Åbenrå, Sonderjylland, Denmark)
│ └── Estrid, Queen of Denmark (Abt 990 - Between 1057 and 1073) =>
(Abt 990 - Between 1057 and 1073) => │
┌── Erik I, King of Denmark (Abt 1060 Slangerup, North Zealand, Denmark -
│ 10 Jul 1103 Paphos, Cyprus)(m. Bef 1086)
(Abt 1060 Slangerup, North Zealand, Denmark -│ 10 Jul 1103 Paphos, Cyprus)(m. Bef 1086)
┌── St. Canute Lavard (1096 Roskilde, Zealand, Denmark -
│ 7 Jan 1131 Haraldsted forest, near Ringsted, Zealand, Denmark)(m. Abt 1116)
(1096 Roskilde, Zealand, Denmark -│ 7 Jan 1131 Haraldsted forest, near Ringsted, Zealand, Denmark)(m. Abt 1116)
│ │
│ │ ┌── Ulf
│ │ ┌── Thrugot Ulfsen
│ │ │ └── Bodil Hakonsdatter =>
=> │ │ │
│ └── Boedil Thorgunnasdotter (Abt 1062 - 1103 near Jerusalem)(m. Bef 1086)
(Abt 1062 - 1103 near Jerusalem)(m. Bef 1086) │ │
│ │ ┌── Vagn Agesen
│ └── Thorgunna Vagnsdatter
│ └── Ingeborg Thorkilsdatter
│
┌── Valdemar I den Store, King of Denmark (14 Jan 1131 - 12 May 1182 Vordingborg, Denmark)(m. Abt Sep 1157)
(14 Jan 1131 - 12 May 1182 Vordingborg, Denmark)(m. Abt Sep 1157) │ │
│ │ ┌── Vsevolod I Monomakh, Grand Prince of Kiev (1030 - 13 Apr 1093) =>
(1030 - 13 Apr 1093) => │ │ ┌── Vladimir II Monomakh, Grand Prince of Kiev (1053 - 19 May 1125)
(1053 - 19 May 1125) │ │ │ └── Maria Monomacha ( - 1067) =>
( - 1067) => │ │ │
│ │ ┌── Mstislav I, Grand Prince of Kiev (1076 - 15 Apr 1132)(m. 1095)
(1076 - 15 Apr 1132)(m. 1095) │ │ │ │
│ │ │ │ ┌── Harold II Godwinson, King of England (Abt 1022 -
│ │ │ │ │ 14 Oct 1066 Hastings, Sussex, England)(m. Abt 1064) =>
(Abt 1022 -│ │ │ │ │ 14 Oct 1066 Hastings, Sussex, England)(m. Abt 1064) =>
│ │ │ └── Gytha of Wessex
│ │ │ └── Ealdgyth of Mercia, Queen Consort of England ( - Aft 1066)(m. Abt 1064) =>
( - Aft 1066)(m. Abt 1064) => │ │ │
│ └── Ingeborg of Kiev (Abt 1100 - ??)(m. Abt 1116)
(Abt 1100 - ??)(m. Abt 1116) │ │
│ │ ┌── Stenkil Ragnvaldsson, King of Sweden (Abt 1020 - 1066) =>
(Abt 1020 - 1066) => │ │ ┌── Inge Stenkilsson, King of Sweden (Abt 1040 - Abt 1100)
(Abt 1040 - Abt 1100) │ │ │ └── (Unknown) of Sweden =>
=> │ │ │
│ └── Christine of Sweden (Abt 1076 - 18 Jan 1122)(m. 1095)
(Abt 1076 - 18 Jan 1122)(m. 1095) │ └── Helena (Abt 1050 - ??)
(Abt 1050 - ??) │
Helene of Denmark (Abt 1180 - 22 Nov 1233)
│
│ ┌── Briachislav I Iziaslavich (Abt 1000 - 1044) =>
(Abt 1000 - 1044) => │ ┌── Wseslaw I Brjatscheslawitsch, Grand Prince of Kiev (Abt 1039 - 14 Apr 1101)
(Abt 1039 - 14 Apr 1101) │ ┌── Gleb Wseslawitsch (Abt 1053 - 1118)
(Abt 1053 - 1118) │ ┌── Volodar of Minsk ( - Aft 1167)
( - Aft 1167) │ │ │
│ │ │ ┌── Iziaslav I, Grand Prince of Kiev (1025 - 3 Oct 1078)(m. Abt 1043) =>
(1025 - 3 Oct 1078)(m. Abt 1043) => │ │ │ ┌── Jaropolk Pjotr Isjaslawitsch (Bef 1050 - 22 Nov 1087)(m. Abt 1073)
(Bef 1050 - 22 Nov 1087)(m. Abt 1073) │ │ │ │ └── Gertrude-Olisava of Poland (Abt 1020 Krakow, Malowpolskie, Poland - 4 Jan 1107)
(Abt 1020 Krakow, Malowpolskie, Poland - 4 Jan 1107) │ │ │ │ (m. Abt 1043) =>
│ │ │ │
│ │ └── Anastasia Jaropolkowna (1074 - 8 Jan 1159)
(1074 - 8 Jan 1159) │ │ │
│ │ └── Kunigunde ( - 8 Jun 1140)(m. Abt 1073)
( - 8 Jun 1140)(m. Abt 1073) │ │ └── Adela de Louvain ( - 1083) =>
( - 1083) => │ │
└── Sofie of Polotsk (Abt 1141 - 5 May 1198)(m. Abt Sep 1157)
(Abt 1141 - 5 May 1198)(m. Abt Sep 1157) │
│ ┌── Casimir I, Duke Of Poland (25 Jul 1016 Krakow, Malowpolskie, Poland -
│ │ 28 Nov 1058 Poznan, Wielkopolskie, Poland)(m. 1038) =>
(25 Jul 1016 Krakow, Malowpolskie, Poland -│ │ 28 Nov 1058 Poznan, Wielkopolskie, Poland)(m. 1038) =>
│ ┌── Wladyslaw I Herman, Duke of Poland (Abt 1043 - 4 Jun 1102 Plock, Mazowieckie, Poland)
(Abt 1043 - 4 Jun 1102 Plock, Mazowieckie, Poland) │ │ (m. Abt 1080)
│ │ └── Maria Dobronega (Aft 1011 - 1087)(m. 1038) =>
(Aft 1011 - 1087)(m. 1038) => │ │
│ ┌── Boleslaw III "Wrymouth", King of Poland (20 Aug 1085 - 28 Oct 1138)(m. 1115)
(20 Aug 1085 - 28 Oct 1138)(m. 1115) │ │ │
│ │ │ ┌── Vratislaus II, King of Bohemia (Abt 1035 - 14 Jan 1092) =>
(Abt 1035 - 14 Jan 1092) => │ │ └── Judith Premyslid, Princess of Bohemia ( - Between 1093 and 1095)(m. Abt 1080)
( - Between 1093 and 1095)(m. Abt 1080) │ │ └── Adelaide of Hungary ( - 27 Jan 1062) =>
( - 27 Jan 1062) => │ │
└── Richiza of Poland (12 Apr 1116 - Aft 25 Dec 1155)
(12 Apr 1116 - Aft 25 Dec 1155) │
│ ┌── Poppo
│ ┌── Heinrich I von Berg-Schelklingen ( - Bef 24 Sep 1116)
( - Bef 24 Sep 1116) │ │ └── Sophia
│ │
└── Salome von Berg-Schelklingen (Bef 1101 - 27 Jul 1144)(m. 1115)
(Bef 1101 - 27 Jul 1144)(m. 1115) └── Adelaide von Mochental ( - Abt 1 Dec 1125)
( - Abt 1 Dec 1125)