What is Frederik X?
{{Infobox royalty | name = Frederik X | title = Count of Monpezat | full name = Frederik André Henrik Christian | image = Frederik, Crown Prince of Denmark in 2018.jpg | image_size = | caption = Crown Prince Frederik in December 2018 | succession = [[King of Denmark]] | reign = 14 January 2024{{sndash}}present | predecessor = [[Margrethe II]] | successor = [[Christian, Crown Prince of Denmark|Christian]] | suc-type = Heir apparent | birth_date = {{Birth date and age|1968|5|26|df=y}} | birth_place = [[Rigshospitalet]], [[Copenhagen]], Denmark | spouse = {{marriage|[[Queen Mary of Denmark|Mary Donaldson]]|14 May 2004}} | issue = * [[Christian, Crown Prince of Denmark]] * [[Princess Isabella of Denmark|Princess Isabella]] * [[Prince Vincent of Denmark|Prince Vincent]] * [[Princess Josephine of Denmark|Princess Josephine]] | house = [[House of Glücksburg|Glücksburg]] <nowiki>(official)</nowiki><br />[[House of Monpezat|Monpezat]]<nowiki> (agnatic)</nowiki> | mother = [[Margrethe II of Denmark]] | father = [[Henrik, Prince Consort of Denmark|Henri de Laborde de Monpezat]] | religion = [[Church of Denmark]] | module = {{Infobox military person | embed=yes | allegiance = {{flag|Denmark}} | nickname = [[Rasmus Klump|Pingo]]<ref name=Hello>{{cite web|url=http://www.hellomagazine.com/profiles/crown-prince-frederik-of-denmark/|author1=Hello!|author-link1=Hello! (magazine)|title=Biography: Prince Frederik|website=hellomagazine.com|access-date=26 June 2017}}</ref> | branch = {{army|Denmark}}<br/>{{navy|Denmark}} | serviceyears = 1986–present | rank = [[Major General]] (Army)<br/>[[Major General]] (Air Force)<br/>[[Rear Admiral]] (Navy) | servicenumber = <!-- Do not use data from primary sources such as service records --> | unit = [[Royal Life Guards (Denmark)|Royal Life Guard]]<br/>[[Guard Hussar Regiment (Denmark)|Guard Hussar Regiment]]<br/>[[Danish Frogmen Corps]] |