Edmund (King Lear) Edmund (King Lear) Edmund or Edmond is a fictional character and the main antagonist in William Shakespeare's "King Lear". He is the illegitimate son of the Earl of Gloucester, and the younger brother of Edgar, the Earl's legitimate son. Early on in the play, Edmund resolves to get rid of his brother, then his father, and become Earl in his own right. He later flirts with both Goneril and Regan and attempts to play them off against each other. Shakespeare's source for the subplot of Edmund, Edgar and Gloucester was a tale from Philip Sidney's "Countess of Pembroke's Arcadia" of
King Lear of a common folk tale, Love Like Salt, Aarne–Thompson type 923, in which a father rejects his youngest daughter for a statement of her love that does not please him. The source of the subplot involving Gloucester, Edgar, and Edmund is a tale in Philip Sidney's "Countess of Pembroke's Arcadia" (1580–90), with a blind Paphlagonian king and his two sons, Leonatus and Plexitrus. Besides the subplot involving the Earl of Gloucester and his sons, the principal innovation Shakespeare made to this story was the death of Cordelia and Lear at the end; in the account by Geoffrey of Monmouth, Cordelia