William I , Count of Holland and East Friesland

M, (circa 1174 - 2 July 1222)
Father-Biological*Florenz III ~ Count of Holland and West Sealand; Earl of Ros b. c 1138, d. 1 Aug 1190
Mother-Biological*Ada of Huntington b. c 1146, d. bt 11 Jan 1216 - 1222
Family Lines
Boudreau Line
Last Edited=30 Jul 2023
     William I , Count of Holland and East Friesland was born circa 1174.1 He was the son of Florenz III ~ Count of Holland and West Sealand; Earl of Ros and Ada of Huntington.

William I , Count of Holland and East Friesland married Adelaide of Guelders, daughter of Otto I ~ Count of Guelders, Zutphen, Holland, and East Friesland and Richardis von Wittlesbach, in 1198.1 He fought in the Imperial Army at Bovines in 1215. William then went on a Crusade from 1215 to 1219.1 William I , Count of Holland and East Friesland died on 2 July 1222.1

Child of William I , Count of Holland and East Friesland and Adelaide of Guelders

Citations

  1. Stuart, Roderick W. Royalty for Commoners, The Complete Known Lineage of John of Gaunt, Son of Edward III, King of England, and Queen Philippa, Fourth Edition. Baltimore, Maryland: Genealogical Publishing Company, 2002.