Henry or Enrico di Navarra (before 1144–1173×77), born Rodrigo, was a son of García Ramírez of Navarre and Marguerite de l'Aigle, and brother of Queen Margaret of Sicily, who made him Count of Montescaglioso (1166) and then Count of the Principate (1168).
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On this occasion he was invested with Montescaglioso on the mainland, probably to keep him out of court politics.
The first settlements in the area date from the 7th century BC, belonging to the Apuli Italic tribe.