Henry of Trastamara (1333? - 1379), was the illegitimate son of Alfonso XI of Castile and Leonora de Guzman, and half brother to Peter I of Castile. Became Henry II of Castile in 1366 when, as head of a host of soldiers of fortune, and with the aid of Bertrand du Guesclin[?], he drove Peter from his throne without giving battle. Henry murdered Peter in 1369. Married to Joan, daughter of John Manuel of Villena[?], head of a younger branch of the royal house of Castile. Their son was John I of Castile.
... age or older. The median age is 35 years. For every 100 females there are 95.1 males. For every 100 females age 18 and over, there are 89.3 males.
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