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 and national matters as he went. John was very active in the administration of England and was involved in every aspect of government. In part he was following in the tradition of Henry I and Henry II, but by the 13th century the volume of administrative work had greatly increased, which put much more pressure on a king who wished to rule in this style. John was in England for much longer periods than his predecessors, which made his rule more personal than that of previous kings, particularly in previously ignored areas such as the north. The administration of justice