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
Isabella of Aragon, Queen of Portugal Manuel later married Isabella's younger sister, Maria of Aragon, who bore him his son and heir, John III. Portugal and Spain were finally united between 1580 and 1640, after Philip II of Spain, Isabella's great-nephew via her sisters, Maria and Joanna, successfully claimed the throne of Portugal as a son of Isabella of Portugal, the daughter of Maria and Manuel. Isabella of Aragon, Queen of Portugal Isabella, Princess of Asturias (2 October 1470 – 23 August 1498) was a Queen consort of Portugal and heir presumptive of King Ferdinand II of Aragon and Queen Isabella I of Castile, as their