What is William II of Holland?
[[File:William II of Holland (1227-1256), King of the Romans.jpg|thumb|William II of Holland (1227-1256), King of the Romans (Rex Romanorum)]] '''William II''' (February 1227 – 28 January 1256) was the [[Count of Holland]] and [[County of Zeeland|Zeeland]] from 1234 until his death. He was elected [[anti-king]] of [[Kingdom of Germany|Germany]] in 1248 and ruled as sole king from 1254 onwards. [[Category:1220s births]] [[Category:1250s deaths]] [[Category:Counts of Holland]]