_I FREDERICK , Count of HohenstauffenI_
| (1050 - ....)
_II FRIEDRICH , Duke of Swabia_|_Agnes of FRANCONIA ___________________
| (1090 - 1147) (1067 - 1142)
_ FREDERICK I______________________|
| (1122 - 1190) |
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| |_Princess of Bavaria JUDITH ___|_______________________________________
| (1103 - ....)
_II PHILLIPP , Emperor of Germany_|
| (1178 - 1208) |
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| |_Empress of the Holy Roman EMPIRE _|
| (.... - 1185) |
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|--Marie DE SWABIA
| (1201 - 1235)
| _______________________________________
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| _______________________________|_______________________________________
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|_Irini Maria ANGELOS _____________|
(1178 - 1208) |
| _______________________________________
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