Who has the most legitimate claim to the throne?
... Edward III did. However, there is no real reason why the other sons could not have taken over the throne. It could be quite possible that the other four sons could not decide, and decided to pass the throne down to the eldest son’s son. Therefore, Richard II was crowned for 22 years. The Lancasters were also entitled to the throne because later on, they had won the battle of Bosworth against the House of York. In the 15th Century, entitlement to the throne was decided on whoever won wars. Therefore the Lancasters get entitlement to the throne. At this time, Henry VI and his son had died in the same year, and as there were no other sons who could take the throne, Henry VII, obtained the t...