What is William I of the Netherlands?
{{Infobox royalty | name = Willem I | image = William I of the Netherlands.jpg | caption = William in ceremonial robes, by [[Joseph Paelinck]], ca. 1818–19 | succession = [[King of the Netherlands]]<br>[[Grand Duke of Luxembourg]] | reign = {{nowrap|16 March 1815 – 7 October 1840}} | coronation = 30 March 1814 | cor-type = [[Inauguration of the Dutch monarch|Inauguration]] | predecessor = [[Napoléon Louis Bonaparte|Louis II]] as [[Kingdom of Holland|King of Holland]]<ref>{{cite book|author=Foissy, M.|title=La famille Bonaparte depuis 1264|url=https://archive.org/details/lafamillebonapa00foisgoog|year=1830|publisher=Vergne|location=Paris|language=French|page=[https://archive.org/details/lafamillebonapa00foisgoog/page/n109 101]}}</ref> | successor = [[William II of the Netherlands|William II]] | succession1 = [[Principality of Nassau-Orange-Fulda|Prince of Nassau-Orange-Fulda]] | reign1 = 25 February 1803 – {{nowrap|27 October 1806}} | predecessor1 = | successor1 = | succession2 = [[Principality of Orange-Nassau|Prince of Orange-Nassau]] | reign-type2 = 1st reign | reign2 = 9 April 1806 – 27 October 1806 | predecessor2 = [[William V, Prince of Orange|William V]] | suc-type2 = 2nd reign | successor2 = 20 November 1813 – {{nowrap|16 March 1815}} | succession3 = [[Duchy of Limburg (1839–67)|Duke of Limburg]] | reign3 = 5 September 1839 – {{nowrap|7 October 1840}} | predecessor3 = [[Francis II, Holy Roman Emperor|Francis I]] | successor3 = [[William II of the Netherlands|William II]] | spouse = {{Plainlist| * {{marriage|[[Wilhelmine of Prussia, Queen of the Netherlands|Wilhelmina of Prussia]]|1791|1837|end=d}} * {{marriage|[[Henrietta d'Oultremont]] ([[Morganatic marriage|morganatic]])|1841}} }} | issue = [[William II of the Netherlands]]<br>[[Prince Frederick of the Netherlands|Prince Frederick]]<br>[[Princess Pauline of Orange-Nassau|Princess Pauline]]<br>[[Princess Marianne of the Net