Isabella of Lusignan her half-brother King Henry III in 1254. After thirteen years of marriage Geoffery died. Isabella herself died on 14 January 1300 having most likely outlived all of her children. She had several grandchildren. Isabella also outlived all of her siblings (full and half). Isabella of Lusignan Isabella of Lusignan (c.1224 – 14 January 1300) was a daughter of Hugh X of Lusignan and his wife Isabella of Angoulême, Dowager Queen of England. Isabella was half-sister to King Henry III of England. She was Dame de Beauvoir-sur Mer et de Mercillac. Isabella's year of birth is unknown. She is mentioned in
John, King of England was not a particularly "amicable" one. Other aspects of their marriage suggest a closer, more positive relationship. Chroniclers recorded that John had a "mad infatuation" with Isabella, and certainly John had conjugal relationships with Isabella between at least 1207 and 1215; they had five children. In contrast to Vincent, historian William Chester Jordan concludes that the pair were a "companionable couple" who had a successful marriage by the standards of the day. John's lack of religious conviction has been noted by contemporary chroniclers and later historians, with some suspecting that John was at best impious, or even atheistic, a very