Question: What is the date of death of Gastón De La Cerda, 3Rd Duke Of Medinaceli's father?
Sentence (from "Juan de la Cerda, 4th Duke of Medinaceli"): Both half brothers, the 3rd, Gaston, and the 4th Duke, Juan II, are widely reported in many places and articles as being born" out of marriage" from different women and being" legitimated" males by the Crown as legal successors to their father, the second duke Juan I, also, apparently, a legitimated bastard, however.
Relevant evidence: No