Reinald IV, Duke of Guelders and Jülich
Reginald IV was the second duke to rule both Guelders and Jülich.
Reginald was the son of William II, Duke of Jülich and Maria of Guelders. He became duke upon his brother William's death in 1402 without issue. Wikipedia
Born: 1365
Died: June 25, 1423 (age 58 years)
Children: Willem van Gulik-Wachtendonk
Great-grandparents: Reginald I of Guelders, Gerhard V of Jülich, Joan of Valois, Countess of Hainaut, and more
Grandparents: Reginald II, Duke of Guelders, William V, Duke of Jülich, and Joanna of Hainaut
Parents: William II, Duke of Jülich and Maria, Duchess of Guelders
Partner: Maria of Guelders (1405–)