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But their relationship wasn't the first between their families: King Charles's great-great-grandfather King Edward VII had an illicit ... for marrying the heir to the throne.

Edward VII (Albert Edward; 9 November 1841 – 6 May ... Before his accession to the throne, Edward held the title of Prince of Wales and was heir apparent to the throne for longer than anyone ...

King George V, second son of King Edward VII and Queen Alexandra, was born in 1865 and served in the Royal Navy until 1892 when he became heir to the throne following the death of his elder brother, ...