Nielsen Hayden genealogy
Ancestors of Svjatoslav III, Grand Prince of Kiev
Abt 1120 - 1194 (~ 74 years)
┌── St. Vladimir of Kiev, Grand Prince of Kiev 
( - 15 Jul 1015 Berestovo, west of
│ Kiev)(m. 980) =>
( - 15 Jul 1015 Berestovo, west of │ Kiev)(m. 980) =>
┌── Yaroslav I "The Wise", Grand Prince of Kiev ( - 19 Feb 1054 Vyshgorod, a citadel north
│ of Kiev)
( - 19 Feb 1054 Vyshgorod, a citadel north │ of Kiev)
│ └── Rogneda of Polotsk (Abt 962 - 1000)(m. 980) =>
(Abt 962 - 1000)(m. 980) => │
┌── Svjatoslav II, Grand Prince of Kiev (1027 - 27 Dec 1076)
(1027 - 27 Dec 1076) │ │
│ │ ┌── Olof Skötkonung, King of Sweden (Sweden;Abt 965 - Abt 1020) =>
(Sweden;Abt 965 - Abt 1020) => │ └── Ingegerd (St. Anna) of Sweden ( - 10 Feb 1050)
( - 10 Feb 1050) │ └── Estrid of the Obotrites (Abt 979 - 1035)
(Abt 979 - 1035) │
┌── Oleg Michael (Abt 1058 - 1 Aug 1115)(m. Bef 1083)
(Abt 1058 - 1 Aug 1115)(m. Bef 1083) │ └── Cecilia
│
┌── Vsevolod II, Grand Prince of Kiev (Abt 1085 - 1 Aug 1146)
(Abt 1085 - 1 Aug 1146) │ └── Theophano Musalonissa (m. Bef 1083)
(m. Bef 1083) │
Svjatoslav III, Grand Prince of Kiev (Abt 1120 - 24 Jul 1194)
│
│ ┌── Yaroslav I "The Wise", Grand Prince of Kiev ( - 19 Feb 1054 Vyshgorod, a citadel
│ │ north of Kiev) =>
( - 19 Feb 1054 Vyshgorod, a citadel │ │ north of Kiev) =>
│ ┌── Vsevolod I Monomakh, Grand Prince of Kiev (1030 - 13 Apr 1093)
(1030 - 13 Apr 1093) │ │ └── Ingegerd (St. Anna) of Sweden ( - 10 Feb 1050) =>
( - 10 Feb 1050) => │ │
│ ┌── Vladimir II Monomakh, Grand Prince of Kiev (1053 - 19 May 1125)
(1053 - 19 May 1125) │ │ │
│ │ │ ┌── Constantine Monomachos, Emperor of Byzantium (Abt 1000 Constantinople -
│ │ │ │ 11 Jan 1055 Monastery of Mangana, Constantinople) =>
(Abt 1000 Constantinople -│ │ │ │ 11 Jan 1055 Monastery of Mangana, Constantinople) =>
│ │ └── 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)
(Abt 1022 - 14 Oct 1066 Hastings, Sussex, England) │ │ │ │ (m. Abt 1064)
│ │ │ │ └── Gytha Thorsgilsdottir (Abt 997 - Abt 1069)(m. Between 1019 and 1020) =>
(Abt 997 - Abt 1069)(m. Between 1019 and 1020) => │ │ │ │
│ │ └── Gytha of Wessex
│ │ │
│ │ │ ┌── Ælfgar of Mercia (Bef 1031 - Abt 1062) =>
(Bef 1031 - Abt 1062) => │ │ └── Ealdgyth of Mercia, Queen Consort of England ( - Aft 1066)(m. Abt 1064)
( - Aft 1066)(m. Abt 1064) │ │ └── Ælfgifu
│ │
└── Marija Mstislawna of Kiev ( - 1179)
( - 1179) │
│ ┌── Ragvald Ulfsson (Abt 990 - ??) =>
(Abt 990 - ??) => │ ┌── Stenkil Ragnvaldsson, King of Sweden (Abt 1020 - 1066)
(Abt 1020 - 1066) │ │ └── Astrid Njalsdotter
│ │
│ ┌── Inge Stenkilsson, King of Sweden (Abt 1040 - Abt 1100)
(Abt 1040 - Abt 1100) │ │ │
│ │ │ ┌── Emund, King of Sweden =>
=> │ │ └── (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 - ??)