Nielsen Hayden genealogy
Ancestors of Otto I
- Abt 1123 ┌── Ekkehart ( - Aft 1172)
Otto I ( - Abt 4 Mar 1123)
│ ┌── Wilhelm II of Weimar (Between 930 and 935 - 1003) =>
│ ┌── Wilhelm III of Weimar (Abt 960 - 16 Apr 1039)
│ ┌── Poppo II of Weimar (Abt 1008 - Bef 1044)
│ │ │ ┌── Thietmar II (Abt 995 - 10 Jan 1030) =>
│ │ └── Oda ( - Bef 1068)
│ │
│ ┌── Ulrich von Krain (Abt 1030 - 6 Mar 1070)(m. Between 1062 and 1063)
│ │ │
│ │ │ ┌── Weriand ( - Aft 1051)
│ │ └── Hadamut of Istrien ( - Aft 1040)
│ │ │
│ │ │ ┌── Ulrich I of Krain ( - Abt 11 Mar 1029) =>
│ │ └── Willibirg of Krain ( - 25 Nov 1064)
│ │ └── Richardis von Eppenstein ( - 23 Apr 1013) =>
│ │
└── Richgardis von Krain ( - Abt 1128)
│
│ ┌── Mihály of Hungary (Abt 960 - ??) =>
│ ┌── Vazul of Hungary (Abt 990 - 1037)
│ │ └── Adelajda of Poland ( - Aft 997)
│ │
│ ┌── Béla I, King of Hungary (Between 1015 and 1020 - 11 Sep 1063 Kinizsa Creek, Hungary)
│ │ (m. Between 1039 and 1043)
│ │
└── Sophia of Hungary (Abt 1050 - 18 Jun 1095)(m. Between 1062 and 1063)
│
│ ┌── Boleslaw I Chrobry, King of Poland (Abt 967 - 17 Jun 1025) =>
│ ┌── Mieszko II Lambert, King Of Poland ( - May 1034)(m. 1013)
│ │ └── Emnilda of Lusatia (Between 970 and 975 - Between 1013 and 1017) =>
│ │
└── Adelaide of Poland (22 Sep 1013 - Aft 1051)(m. Between 1039 and 1043)
│
│ ┌── Ezzo of Lotharingia (Abt 955 - 21 May 1034) =>
└── Richeza of Lotharingia (Abt 998 - 21 Mar 1063 Saalfield, Thuringia, Germany)(m. 1013)
└── Mathilde von Sachsen (979 - 4 Dec 1025 Echtz, Düren, Germany) =>