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| | Ancestors and Family of Frederick I Barbarossa (Site not responding. Last check: 2007-10-26) |
 | | Frederick was the son of Frederick II, duke of Swabia, and Judith, daughter of Henry IX, duke of Bavaria, of the rival dynasty of the Welfs. |
 | | The successor of Eugenius III, Pope Adrian IV, honoured the Treaty of Constance and crowned Frederick emperor on June 18, 1155, in Rome. |
 | | A letter from the Pope, which was translated in an inflammatory manner by the imperial chancellor Rainald of Dassel, caused a critical argument between the papal delegation and the German princes over whether or not the empire was dependent upon the papacy. |
| nygaard.howards.net /files/3/2615.htm (730 words) |
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