Nielsen Hayden genealogy
Ancestors of Agnes of Bavaria
┌── Ekkehart ( - Aft 1172)
┌── Otto I ( - Abt 4 Mar 1123)
│ │ ┌── Ulrich von Krain (Abt 1030 - 6 Mar 1070)(m. Between 1062 and 1063) =>
│ └── Richgardis von Krain ( - Abt 1128)
│ └── Sophia of Hungary (Abt 1050 - 18 Jun 1095)(m. Between 1062 and 1063) =>
│
┌── Otto II of Bavaria (Between 1083 and 1084 - 4 Mar 1156)
│ │
│ │ ┌── Eberghard von Ratzenhofen
│
┌── Otto IV ( - 18 Aug 1198)
│ │
│ │ ┌── Ruotger
│ │ ┌── Freidrich III von Pettendorf ( - 3 Apr 1119)
│ │ │ │
│ │ │ │ ┌── Friedrich I von Burglengenfeld ( - Aft 1050)
│ │ │ └── (Unknown) von Burglengenfeld
│ │ │
│ └── Heilika von Lengenfeld ( - 14 Sep 1170)
│ │
│ │ ┌── Frederick of Büren (Abt 1020 - 1053)(m. Abt 1042) =>
│ │ ┌── Frederick I of Swabia (Abt 1050 -
│ │ │ Bef 21 Jul 1105 bur.Lorch Abbey, Baden-Württemberg, Germany)(m. Abt 1086)
│ │ │ Bef 21 Jul 1105 bur.Lorch Abbey, Baden-Württemberg, Germany)(m. Abt 1086)
│ │ │ └── Hildegard of Egisheim-Dagsburg (Abt 1028 - Abt 1095)(m. Abt 1042) =>
│ │ │
│ └── Heilika of Swabia (1087 - Aft 1110)
│ │
│ │ ┌── Heinrich IV, Holy Roman Emperor (11 Nov 1050 Goslar, Lower Saxony, Germany -
│ │ │ 7 Aug 1106 Liège, Belgium)(m. 13 Jul 1066) =>
│ │ │ 7 Aug 1106 Liège, Belgium)(m. 13 Jul 1066) =>
│ └── Agnes of Germany (1073 - 24 Sep 1143 bur.Klosterneuberg, Austria)(m. Abt 1086)
│ └── Bertha of Turin (1051 - 27 Dec 1087 Mainz, Hessen, Germany)(m. 13 Jul 1066) =>
│
│
│ ┌── Mangold
└── Benedikta