Haven't verified all of these (I know that George V and Mary of Teck produced George VI and forward from there) but this is quite interesting:-
Vlad the Impaler. Died 1507.
- Half brother of:
Vlad IV, known as Vlad the Monk. (1431 - 1495)
-Father of:
Radu IV Prince of Wallachia from (1495 – 1508)
- Father of:
Mircea the Shepherd. Prince of Wallachia. (1479 - 1560).
- Father of:
Princess Stanca Basarab of Wallachia. (1518 - 1601).
-Mother of:
Zamphira Logofat de Szazsebes. (Died 1602).
- Mother of:
Adam Racz de Galgo. (Living 1609).
- Father of:
Peter Racz de Galgo. (1583-1672).
- Father of:
Christina Racz de Galgo.
- Mother of:
Catherine (Katalin) Kuun de Osdola.
- Mother of:
Ágnes Kendeffy de Malmoviz (born 1727).
- Mother of:
Baron Gregor, Inczédy de Nagy-Várad (died 1816).
- Father of:
Baroness Ágnes Inczédy de Nagy-Várad (1788-1856).
- Mother of:
Countess Claudine Rhédey von Kis-Rhéde (1812-1841).
- Mother of:
Francis, Duke of Teck. (1837–1900).
- Father of:
Princess Mary of Teck, later the Queen consort of King George V (1867-1953).
- Mother of:
George VI (1895 –1952).
- Father of:
Queen Elizabeth II (1926).
- Mother of:
Prince Charles (1948)
- Father of:
Prince William (1982)
- Father of:
Prince George(2013)
The last three being the next three in line for the throne
Vlad the Impaler. Died 1507.
- Half brother of:
Vlad IV, known as Vlad the Monk. (1431 - 1495)
-Father of:
Radu IV Prince of Wallachia from (1495 – 1508)
- Father of:
Mircea the Shepherd. Prince of Wallachia. (1479 - 1560).
- Father of:
Princess Stanca Basarab of Wallachia. (1518 - 1601).
-Mother of:
Zamphira Logofat de Szazsebes. (Died 1602).
- Mother of:
Adam Racz de Galgo. (Living 1609).
- Father of:
Peter Racz de Galgo. (1583-1672).
- Father of:
Christina Racz de Galgo.
- Mother of:
Catherine (Katalin) Kuun de Osdola.
- Mother of:
Ágnes Kendeffy de Malmoviz (born 1727).
- Mother of:
Baron Gregor, Inczédy de Nagy-Várad (died 1816).
- Father of:
Baroness Ágnes Inczédy de Nagy-Várad (1788-1856).
- Mother of:
Countess Claudine Rhédey von Kis-Rhéde (1812-1841).
- Mother of:
Francis, Duke of Teck. (1837–1900).
- Father of:
Princess Mary of Teck, later the Queen consort of King George V (1867-1953).
- Mother of:
George VI (1895 –1952).
- Father of:
Queen Elizabeth II (1926).
- Mother of:
Prince Charles (1948)
- Father of:
Prince William (1982)
- Father of:
Prince George(2013)
The last three being the next three in line for the throne
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