Count Willem IV (of Holland)1

M, #11640, b. circa 1317, d. 26 September 1345
Father*Count William III d'Avesnes1 b. c 1286, d. 7 Jun 1337
Mother*Jeanne de Valois1 b. c 1294, d. 7 Mar 1342
Relationship20th great-granduncle of Robert Michael Damon
     Count Willem IV (of Holland), son of Count William III d'Avesnes and Jeanne de Valois, was born circa 1317 of Le Quesnoy, Nord, France.1 Count Willem IV (of Holland) was the son of Count William III d'Avesnes and Jeanne de Valois.1 Count Willem IV (of Holland) died on 26 September 1345 in Worms, Friesland, Netherlands.1 He was buried in Valenciennes, Nord, France.1
     Willem IV's father Count William III d'Avesnes died on 7 June 1337 in Valenciennes, France.2 Willem IV's mother Jeanne de Valois died on 7 March 1342 in Fontenelle, Yonne, France.1,2
Last Edited9 Aug 2003


  1. [S227] Samuel H. Sloan, ROYALFAM.GED (461 Peachstone Terrace, San Rafael CA: There are some wild errors in the data.
  2. [S7] Roderick W. Stuart, Royalty for Commoners, Fourth Edition, The Complete Known Lineage of John of Gaunt, Son of Edward III, King of England, and Queen Philippa (Baltimore, MD: Genealogical Publishing Co. Inc, 2002). Repository: Richard Smith Damon Arlington, Middlesex County, Massachusetts, in. Hereinafter cited as Royalty for Commoners, 4th Edition.