Question: Who is the paternal grandfather of Gian Giacomo Crispo?
Sentence (from "Giacomo II Crispo"): He was a minor when he succeeded to the throne, and during his minority, the Duchy was ruled by his mother Francesca, described as a "masterful woman", who continued to influence in the affairs of state during the reign of her son and grandson until the accession of William II to the throne in 1453.
Relevant evidence: No