Guillaume  (Hainaut) of Hainault and Holland

Guillaume (Hainaut) of Hainault and Holland (abt. 1286 - 1337)

Privacy Level: Open (White)
Guillaume (William) "the good, le Bon, Count of Hainault" of Hainault and Holland formerly Hainaut aka van Holland, Avesnes
Born about in Avesnes, Hainautmap
Husband of — married [location unknown]
Died in Valenciennesmap
Profile manager: Roger Travis private message [send private message]
This page has been accessed 2,099 times.
William I, Count of Hainaut (1286 - 7 Jun 1337)



from 1304:

  • William III, Count of Avesnes
  • William III, Count of Holland
  • William II, Count of Zeeland


John II, Count of Hainaut and Philippa of Luxembourg


m. Jeanne de Valois (Joan of Valois) before 1311. Issue: 8:
  1. William II, Count of Hainaut (1307-1345)
  2. John (died 1316)
  3. Margaret II, Countess of Hainaut (1311-1356), married Louis IV, Holy Roman Emperor
  4. Philippa of Hainault (1311-1369), married King Edward III of England
  5. Agnes (died 1327)
  6. Joanna of Hainaut (1315-1374), married William V, Duke of Jülich
  7. Isabelle of Hainaut (1323-1361), married Robert of Namur
  8. Louis (1325-1328)


  • 7 children with Trude Boudijnsdotter van de Poule and other mistresses


More: Family Tree & Genealogy Tools

Searching for someone else?
First: Last:

Do you have a GEDCOM? Login to have every name in your tree searched. It's free (like everything on WikiTree).

No known carriers of William's Y-chromosome or his mother's mitochondrial DNA have taken yDNA or mtDNA tests.

Have you taken a DNA test for genealogy? If so, login to add it. If not, see our friends at Family Tree DNA.

Images: 1
Guillaume III van Holland Image 1
Guillaume III van Holland Image 1


On August 22, 2015 at 11:37GMT Roger Travis wrote:

Van Der Poel-104 and Hainaut-43 are not ready to be merged because: What documentation is there for Daniel van der Poel as his son?

On May 7, 2015 at 10:44GMT John Atkinson wrote:

Avesnes-82 and Hainaut-43 are not ready to be merged because: Need to decide on the most appropriate LNAB

William is 20 degrees from Kevin Bacon, 22 degrees from AJ Jacobs, 50 degrees from Lisa Kudrow, 29 degrees from Kurt Vonnegut and 18 degrees from Queen Elizabeth II of the Commonwealth Realms on our single family tree. Login to find your connection.

H  >  Hainaut  |  O  >  of Hainault and Holland  >  Guillaume (Hainaut) of Hainault and Holland