Statistics for Heirs Who Never Became King or Queen (of England)

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Hint	Heir	% Correct
Designated the heir of Edward VI to avoid his Catholic sister Mary becoming Queen. Known as the '9-day queen' but was never crowned.	Lady Jane Grey	95%
Eldest son of Henry VII and older brother of Henry VIII, named after a legendary English king	Arthur	80%
Cousin of Elizabeth I, who reluctantly ordered her execution for treason in 1587	Mary Queen of Scots	75%
Daughter of Henry I whose throne was seized by Stephen of Blois, prompting a 15-year civil war known as 'the Anarchy'.	Matilda	75%
Son of George II and father of George III, previously thought to have been killed by a cricket ball	Frederick	65%
Son of the exiled James II, became head of the Jacobites and was known as 'The Old Pretender'	James III	65%
The younger of the two Princes in the Tower, disappeared alongside his brother	Richard Duke of York	65%
One of the greatest knights and commanders in the 100 Years' War, father of Richard II	Edward the Black Prince	50%
Co-ruler with his father Henry II, but never became king in his own right	Henry the Young King	50%
Son of Henry I, drowned in the catastrophic sinking of the White Ship	William Aetheling	50%
George III's second son, heir during the reign of his elder brother George IV, who had no sons	Frederick Duke of York	45%
Selected as heiress due to the lack of heirs in the Stuart line, died less than two months before her cousin Queen Anne	Sophia, Electress of Hanover	45%