from Guaynabo, PR
1652
He was the son of Íñigo Vélez de Guevara and Catalina de Guevara, 5th Countess of Oñate. He married Catalina Vélez, 9th Countess of Oñate, daughter of his brother Íñigo Vélez de Guevara, 8th Count of Oñate....
His son was Íñigo Vélez de Guevara, 10th Count of Oñate who married on 12 August 1666 Claire Louise de Ligne, daughter of Claude Lamoral, Prince of Ligne.