Duke of Swabia
Berthold II, also known as Berchtold II, was the Duke of Swabia from 1092 to 1098. After he conceded the Duchy of Swabia to the Staufer in 1098, the title of "Duke of Zähringen" was created for him, in use from c. 1100 and continued by his successors until 1218.
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The six component signals behind the Fame score, and their ranks across the leaderboards.