He married three times. The issue from his marriage to Blanche included Henry “Bolingbroke”, (the future [[Henry IV]]), and Philippa, who became Queen of [[Portugal]] and the mother of [[Henry the Navigator]]. Blanche died in a recurrence of the plague in 1368, and John made a political union with Constance of Castille. Their daughter, Katherine, became Queen of Castille. | He married three times. The issue from his marriage to Blanche included Henry “Bolingbroke”, (the future [[Henry IV]]), and Philippa, who became Queen of [[Portugal]] and the mother of [[Henry the Navigator]]. Blanche died in a recurrence of the plague in 1368, and John made a political union with Constance of Castille. Their daughter, Katherine, became Queen of Castille. |