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| | Primer for Henry X, Duke of Bavaria, Help.com (Site not responding. Last check: 2007-10-26) |
 | | He was the son of Henry the Black, Duke of Bavaria, and Wulfhild, daughter of Magnus Billung, Duke of Saxony, and thus a member of the Welf family, and, what was quite important, senior heir of the Billung family. |
 | | After the marriage, Henry took part in the warfare between the king and the Hohenstaufen brothers, Frederick II, Duke of Swabia (who was Henry's brother-in-law, having been married with his sister Judith), and Conrad, Duke of Franconia, afterwards the German king Conrad III. |
 | | Saxony, which he had attempted to hold but was not officially invested with, was given to the head of the family descending from the younger daughter of the last Billung duke. |
| www.help.com /wiki/Henry_II%2C_Duke_of_Saxony (661 words) |
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