Template:Wp-Edmund Mortimer, 5th Earl of March

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Edmund Mortimer, 5th Earl of March, 7th Earl of Ulster (6 November 139118 January 1425), was an English nobleman and a potential claimant to the throne of England. A great-great-grandson of King Edward III of England, he was heir presumptive to King Richard II of England (both his paternal first cousin twice removed and maternal half grand-uncle) when he was deposed in favour of Henry IV. Edmund Mortimer's claim to the throne was the basis of rebellions and plots against Henry IV and his son Henry V, and was later taken up by the House of York in the Wars of the Roses, though Mortimer himself was an important and loyal vassal of Henry V and Henry VI. Edmund was the last Earl of March of the Mortimer family.