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
The King Who Would Be Stronger Than Fate to the king, who sent men to seize the boy. The old woman pleaded for his life, because she needed him to support her. The king, not believing that so old a woman could have so young a son, demanded to know where she had gotten him, and hearing the story, knew who the child was. The king let him off if he joined the army. When the army life did not kill him, though he was sent on the most dangerous missions, and he proved a good soldier, he was enrolled in the king's bodyguard and saved him from