Apr 20 Richard de Clare, 2nd Earl of Pembroke, English soldier (b. 1130) May 13 Matthias I, Duke of Lorraine (b. 1119) Aug 23 Emperor Rokujo of Japan (b. 1164) Oct 12 William d'Aubigny, 1st Earl of Arundel, English politician 1175 Famous Deaths by Year 1177 Famous People by Cause of Death Assassination Drug Overdose Gunshot Wound Murder Plane Crash Suicide