Because he's not English but a deposed Dane that fled to Greece, hence people referring to him as Phil the Wog. He is Queen Consort and Duke of the realm.
Elizabeth II is not even a Windsor, that is the title from her uncle who abdicated the throne for an American divorcee, Wallis Simpson. Hence her father George VI (Albert Frederick Arthur George 'Saxe-Coburg and Gotha ;' then 'Windsor' Duek of York (Windsor from his older brothers title), took the throne until his early death.
All siblings have their surname as Mountbatten-Windsor except Charles as he heir apparent.
e.g. Earl of Wessex, the Queens youngest is really called Edward Antony Richard Louis Mountbatten-Windsor
Because he's not English but a deposed Dane that fled to Greece, hence people referring to him as Phil the Wog.
He is Queen Consort and Duke of the realm.
Elizabeth II is not even a Windsor, that is the title from her uncle who abdicated the throne for an American divorcee, Wallis Simpson.
Hence her father George VI (Albert Frederick Arthur George 'Saxe-Coburg and Gotha ;' then 'Windsor' Duek of York (Windsor from his older brothers title), took the throne until his early death.
[Royal Family Tree](http://dianalegacy.com/wp-content/uploads/2020/10/Royal-Family-tree-2727190.jpg)
[Prince Philip Family Tree](https://cdn.images.express.co.uk/img/dynamic/106/590x/secondary/lord-mountbatten-family-tree-4-2014934.jpg?r=1566372461918)
[HRM Elizabeth II, three generations](https://i.pinimg.com/originals/22/ba/f9/22baf92fd96109dbd3d2a5d4f84e6dfd.jpg)
All siblings have their surname as Mountbatten-Windsor except Charles as he heir apparent.
e.g. Earl of Wessex, the Queens youngest is really called Edward Antony Richard Louis Mountbatten-Windsor
(post is archived)