Nielsen Hayden genealogy
Frederick of Büren

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- 1 Frederick of Büren [1] b. Abt 1020 d. 1053
Hildegard of Egisheim-Dagsburg b. Abt 1028 d. Abt 1095
- 2 Frederick I of Swabia [1.1]
b. Abt 1050 d. Bef 21 Jul 1105
Agnes of Germany b. 1073 d. 24 Sep 1143
- 3 Heilika of Swabia [1.1.1]
b. 1087 d. Aft 1110
Freidrich III von Pettendorf d. 3 Apr 1119
- 4 Heilika von Lengenfeld [1.1.1.1]
d. 14 Sep 1170 [ =>]
- 4 Heilika von Lengenfeld [1.1.1.1]
- 3 Frederick II von Hohenstaufen [1.1.2]
b. 1090 d. 4 Apr 1147
Judith of Bavaria b. 19 May 1100 d. Aft 22 Feb 1130
- 4 Frederick Barbarossa, Holy Roman Emperor [1.1.2.1]
b. 1122 d. 10 Jun 1190 [ =>]
- 4 Bertha of Swabia [1.1.2.2]
b. 1123 d. Aft Mar 1195 [ =>]
- 4 Frederick Barbarossa, Holy Roman Emperor [1.1.2.1]
Agnes von Saarbrücken
- 4 Jutta of Swabia [1.1.2.3]
b. Abt 1133 d. 7 Jul 1191 [ =>]
- 4 Konrad von Hohenstaufen [1.1.2.4]
b. 1135 d. 8 Nov 1195 [ =>]
- 4 Jutta of Swabia [1.1.2.3]
- 3 Konrad III of Swabia, King of the Romans [1.1.3]
b. 1093 d. 15 Feb 1152
Gertrud von Komburg d. Between 1130 and 1131
- 4 (Unknown) of Swabia [1.1.3.1]
d. 1151 [ =>]
- 4 (Unknown) of Swabia [1.1.3.1]
- 3 Heilika of Swabia [1.1.1]
- 2 Frederick I of Swabia [1.1]