John Moore (regicide) the Pool. When Sir John Meldrum's Parliamentary forces recaptured the city six months later, John Moore found himself back in charge as Governor. Moore was a supporter of Pride's Purge and, as well as helping to organise security arrangements at King Charles' trial. He was a signatory of the King's death warrant in 1649. In 1649, Moore fought in Ireland against James Butler, 1st Duke of Ormonde and became governor of Dublin. He died of a fever there in 1650. John Moore (regicide) Colonel John Moore (1599–1650) was one of the regicides of King Charles I. John Moore was born
Regicide killed in battle by their subjects (for example Richard III), but none of these deaths are usually referred to as regicide. The word regicide seems to have come into popular use among foreign Catholics when Pope Sixtus V renewed the papal bull of excommunication against the "crowned regicide" Queen Elizabeth I, for—among other things—executing Mary, Queen of Scots, in 1587. Elizabeth had originally been excommunicated by Pope Pius V, in "Regnans in Excelsis", for converting England to Protestantism after the reign of Mary I of England. The defeat of the Spanish Armada and the "Protestant Wind" convinced most English people