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,
Baldwin VI, Count of Flanders Baldwin VI, Count of Flanders Baldwin VI ( – 17 July 1070), also known as Baldwin the Good, was Count of Hainaut from 1051 to 1070 (as Baldwin I) and Count of Flanders from 1067 to 1070. Baldwin was the eldest son of Baldwin V of Flanders and Adela of France, a daughter of king Robert II of France and Constance of Arles. Baldwin VI was also the brother of Matilda of Flanders, Queen consort of England and wife of William the Conqueror, King of England. His father arranged his marriage, under threat of arms, to Richilde, the widow of