Isabella I of Jerusalem tried to play Isabella and her husband off against him, but Humphrey did homage to the royal couple. Isabella was the daughter of Amalric, King of Jerusalem, by his second wife, Maria Comnena. Maria Comnena (who was a grandniece of the Byzantine Emperor, Manuel I Komnenos) married Amalric on 29 August 1171. Isabella was born before September 1172. Amalric died unexpectedly on 11 July 1174. His son by his first marriage, Baldwin IV, was crowned king two weeks later. Before long, it became obvious that Baldwin suffered from lepromatous leprosy. To secure the succession of the ailing king, his sister,
Gerard (archbishop of York) London. Henry was probably crowned by Maurice, but the medieval chronicler Walter Map states that Gerard crowned Henry in return for a promise of the first vacant archbishopric. Gerard may have assisted Maurice in the coronation ceremony. Gerard became Archbishop of York in December 1100. No source mentions him being invested by the king, but as Anselm urged Pope Paschal II to give Gerard his pallium, which he would have been unlikely to do if Gerard had been invested by Henry, that possibility seems remote. At Whitsun in 1101 King Henry I, with Anselm's support, deprived Ranulf Flambard, Bishop of