Nielsen Hayden genealogy
Ancestors of Albrecht I of Saxony
Abt 1180 - 1261 (~ 81 years) ┌── Otto von Ballenstedt (Abt 1075 - 9 Feb 1123) =>
┌── Albrecht of Saxony (1100 - 18 Nov 1170)(m. Abt 1125)
│ └── Eilica von Sachsen (Abt 1080 - 16 Jan 1142) =>
│
┌── Bernhard III of Saxony (1140 - 9 Feb 1212)
│ │
│ └── Sophia von Winzenburg ( - 8 Jun 1160)(m. Abt 1125)
│ └── Hedwig von Krain und Istrien ( - 1 Dec 1162) =>
│
Albrecht I of Saxony (Abt 1180 - 8 Nov 1261)
│
│ ┌── Boleslaw III "Wrymouth", King of Poland (20 Aug 1085 - 28 Oct 1138)(m. 1115) =>
│ ┌── Mieszko III, High Duke of Poland (Abt 1126 - 13 Mar 1202)
│ │ └── Salome von Berg-Schelklingen (Bef 1101 - 27 Jul 1144)(m. 1115) =>
│ │
└── Judith of Poland (Abt 1152 - Aft 1201)
│
│ ┌── Béla II "the Blind", King of Hungary (1108 - 13 Feb 1141)(m. 28 Apr 1127) =>
└── Elisabeth of Hungary (Abt 1128 - Bef 1155)
└── Jelena of Serbia (Aft 1109 - Aft 1146)(m. 28 Apr 1127) =>