What is William III of Holland?
[[File:Portret van Willem, Graaf van Henegouwen - Middelburg - 20154852 - RCE.jpg|thumb|Portrait of William]] '''William the Good''' (1286 – 7 June 1337) was [[count of Hainaut]] (as William I), [[Avesnes]], [[Count of Holland|Holland]] (as William III), and [[Zeeland]] (as William II) from 1304 to his death. [[Category:1280s births]] [[Category:1337 deaths]] [[Category:Counts of Holland]] [[Category:Counts of Hainaut]]