bn:03517861n
Noun Named Entity
Categories: Christians of the Third Crusade, Dukes of Swabia, Sons of kings, People from Modigliana, 1167 births
EN
Frederick VI, Duke of Swabia  Frederick VI of Swabia
EN
Frederick VI of Hohenstaufen was duke of Swabia from 1170 until his death at the siege of Acre. Wikipedia
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