. . . . "William I as imagined in the 16th century"@en . . "William I (c. 1167, The Hague \u2013 4 February 1222), Count of Holland from 1203 to 1222. He was the younger son of Floris III and Ada of Huntingdon."@en . "The Hague"@en . "Richardis"@en . "Marie of Brabant"@en . "Ada, Abbess at Rijnsburg"@en . "William I of Holland"@en . "Count of Holland"@en . . "ca. 1167"@en . "1203"^^ . "1222-02-04"^^ . "--02-04"^^ . . . . . "Otto, Bishop of Utrecht"@en . . . . . . . . . "William I (c. 1167, The Hague \u2013 4 February 1222), Count of Holland from 1203 to 1222. He was the younger son of Floris III and Ada of Huntingdon."@en . "William I, Count of Holland"@en . . . . . "William"@en . . . . . . . . .