Nielsen Hayden genealogy
Ancestors of Otto II of Bavaria
1084 - 1156 (~ 73 years) ┌── Ekkehart ( - Aft 1172)
┌── Otto I ( - Abt 4 Mar 1123)
│ │ ┌── Wilhelm III of Weimar (Abt 960 - 16 Apr 1039) =>
│ │ ┌── Poppo II of Weimar (Abt 1008 - Bef 1044)
│ │ │
│ │ ┌── Ulrich von Krain (Abt 1030 - 6 Mar 1070)(m. Between 1062 and 1063)
│ │ │ │
│ │ │ │ ┌── Weriand ( - Aft 1051)
│ │ │ └── Hadamut of Istrien ( - Aft 1040)
│ │ │ └── Willibirg of Krain ( - 25 Nov 1064) =>
│ │ │
│ └── Richgardis von Krain ( - Abt 1128)
│ │
│ │ ┌── Vazul of Hungary (Abt 990 - 1037) =>
│ │ ┌── Béla I, King of Hungary (Between 1015 and 1020 - 11 Sep 1063 Kinizsa Creek, Hungary)
│ │ │ (m. Between 1039 and 1043)
│ │ │ └── (Unknown lady of the Tátony clan)
│ │ │
│ └── Sophia of Hungary (Abt 1050 - 18 Jun 1095)(m. Between 1062 and 1063)
│ │
│ │ ┌── Mieszko II Lambert, King Of Poland ( - May 1034)(m. 1013) =>
│ └── Adelaide of Poland (22 Sep 1013 - Aft 1051)(m. Between 1039 and 1043)
│ └── Richeza of Lotharingia (Abt 998 - 21 Mar 1063 Saalfield, Thuringia, Germany)
│ (m. 1013) =>
│
Otto II of Bavaria (Between 1083 and 1084 - 4 Mar 1156)
│