title: Joanna of Hainaut
text: # Joanna of Hainaut
  
  Joanna of Hainault (1315–1374) was a Duchess of Jülich by marriage to William V, Duke of Jülich. She was the third daughter of William I, Count of Hainaut, and Joan of Valois. She was a younger sister of Philippa of Hainault, Queen of England, and Margaret II, Countess of Hainault.
  
  ## Life
  
  Joanna married William V, Duke of Jülich, their children were as follows:
  
  * Gerhard VI of Jülich, Count of Berg and Ravensberg, grandfather of Adolph I, Duke of Cleves
  * William II, Duke of Jülich
  * Richardis of Jülich, married Count Engelbert III of the Mark
  * Philippa of Jülich, married Godfrey II of Heinsberg
  * Reinold
  * Joanna of Jülich, married William I, Count of Isenburg-Wied
  * Isabella of Jülich, married John Plantagenet, 3rd Earl of Kent
  
  ## Ancestry
  
  Ancestors of Joanna of Hainaut :
  
  