Overview
Juan Alonso Pérez de Guzmán y Coronel (1285-1351), second lord of Sanlúcar, was a Castilian noble of the house of Medina Sidonia.
He was the son of Alonso Pérez de Guzmán and María Alfonso Coronel.
He defeated the troops of the King of Portugal in the Battle of Villanueva de Barcarrota (1336). He died in 1351.
From Wikipedia (CC BY-SA 4.0).