Page "Pedro González de Mendoza" Paragraph 13

This transfer of loyalties of the oldest brother and head of the whole family, Diego, after Henry's death in December 1474, was duly rewarded by Queen Isabella I of Castile, Queen successor since December 1474 awarding Diego the title of Duke of the Infantado or Duke of l ' Infantado on 22 July 1475.

The title would be awarded the Grandee of Spain in 1519 by king Charles I of Spain, a. k. a. Holy Roman Emperor Charles V.