Regicide Regicide The broad definition of regicide ( "of king" + ' "killer" or ' "killing") is the deliberate killing of a monarch, or the person responsible for the killing of a person of royalty. In the British tradition, it refers to the judicial execution of a king after a trial, reflecting the historical precedent of the trial and execution of Charles I of England. More broadly, it can also refer to the killing of an emperor or any other reigning sovereign. Before the Tudor period, English kings had been murdered while imprisoned (for example Edward II or Edward V) or
Thomas Lister (regicide) Thomas Lister (regicide) Thomas Lister (1597–1668) was colonel in the Parliamentary army during the English Civil War and an MP. He was appointed a judge at the trial of Charles I, but on the restoration escaped with a light punishment. Lister was born in 1597, the eldest son of William and Griselle Lister (née Rivett). He grew up at the family home, Coleby Hall in Lincolnshire and was admitted to Gray's Inn 1616. In 1622, he married Margaret Armine. On the outbreak of the English Civil War, Lister was arrested by a party of 60 royalist troopers led by the