Gaspar Juan Pérez de Guzmán y Guzmán, 10th Duke of Medina Sidonia (1630–1667) was
Duke of Medina Sidonia
Duke of Medina Sidonia ( es, Duque de Medina Sidonia) is a peerage grandee title of Spain in Medina-Sidonia, holding the oldest extant dukedom in the kingdom, first awarded by King John II of Castile in 1380.Luis Méndez de Haro, 6th Marquis of Carpio. He died without issue, and the title passed to his younger
half brother
A sibling is a relative that shares at least one parent with the subject. A male sibling is a brother and a female sibling is a sister. A person with no siblings is an only child.
While some circumstances can cause siblings to be raised separat ...