Question: What is the date of death of Catherine Woodville, Duchess Of Buckingham's father?
Sentence (from "Catherine Woodville, Duchess of Buckingham"): However, the couple had four children:
In 1483, Buckingham first allied himself to the Duke of Gloucester, helping him succeed to the throne as King Richard III, and then to Henry Tudor, leading an unsuccessful rebellion in his name.
Relevant evidence: No