Constance of Aragon, Lady of Villena
Constance of Aragon( 1239 – 1269) was a daughter of James I of Aragon and his second wife Yolanda of Hungary.
She was a member of the House of Barcelona and was Infanta of Castile by her marriage to Manuel of Castile.
Her maternal grandparents were Andrew II of Hungary and his second wife Yolanda de Courtenay.
Her paternal grandparents were Peter II of Aragon and Marie of Montpellier.
Constance's siblings included: James II of Majorca, Peter III of Aragon, Yolanda, Queen of Castile and Isabella, Queen of France.
In 1260 and in Soria, Constance married" Infante" Manuel of Castile, the second son of Ferdinand III and his first wife Elisabeth of Hohenstaufen.
The couple had at least two children:
Constance died in 1269, leaving her husband a widower.
He remarried in 1274/ 5 to Beatrice of Savoy.
Their son was Juan Manuel, Prince of Villena, who was successor to his father since Constance's son, Alfonso died young.
Kaya Alp
Kaya Alp was, according to Ottoman tradition, the son of Kızıl Buğa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertuğrul, and the great grandfather of the Ottoman Empire founder, Osman I.
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.
Marie of Lusignan, Queen of Aragon
Marie of Lusignan (1273 – Tortosa, April 1319) was a daughter of Hugh III of Cyprus and his wife Isabella of Ibelin.
She was Queen of Aragon by her marriage and was a member of the House of Poitiers-Lusignan.
Joanna of Aragon, Countess of Ampurias
Joanna of Aragon( Barcelona 7 November 1344- Castellón, Ampurias 1385) was the second child of Peter IV of Aragon and his first wife Maria of Navarre.
She was an Infanta of Aragon by birth and Countess of Ampurias by her marriage.
She was a member of the House of Aragon.
Isabella of Aragon, Queen of Germany
Isabella of Aragon( 1305 – 12 July 1330) was the daughter of James II of Aragon and his second wife Blanche of Anjou.
Queen consort of Frederick I of Austria.
She was a member of the House of Aragon
Eleanor of Aragon, Queen of Castile
Eleanor of Aragon (20 February 1358 – 13 August 1382) was a daughter of King Peter IV of Aragon and his wife Eleanor of Sicily.
She was a member of the House of Aragon and Queen of Castile by her marriage.
Hugh III of Cyprus
Hugh III of Cyprus (1235 – 24 March 1284), born Hugues de Poitiers, later Hugues de Lusignan
(he adopted his mother's surname "de Lusignan" in 1267), called the Great, was the King of Cyprus from 1267 and King of Jerusalem from 1268 (as Hugh I of Jerusalem).
He was the son of Henry of Antioch and Isabelle de Lusignan, the daughter of king Hugh I of Cyprus.
He was a grandson of Bohemund IV of Antioch and thus a descendant of Robert Guiscard.
From 1261 he served as Regent for Hugh II of Cyprus in Cyprus, as the "Haute Cour" of Cyprus considered him, as a male, a better regent than his mother Isabella.
She was, however, accepted as the Regent of Jerusalem in 1263.
She died in 1264, and Hugh became the acting regent of the Kingdom of Jerusalem as well as Cyprus.
The regency was contested by his first cousin, Hugh of Brienne, who was the son of Mary of Cyprus, the eldest daughter of Hugh I and hence the senior heir to Cyprus, and heir to Jerusalem after Hugh II.
However, the "Haute Cour of Jerusalem" declared Hugh of Antioch the next regent, as successor to Isabella in proximity of blood.
Hugh II died in 1267 without heirs.
As Hugh of Brienne did not advance his claim on the throne, Hugh of Antioch succeeded as uncontested King of Cyprus on 5 December and was crowned at Santa Sophia, in Nicosia, on 24 December.
He claimed the Kingdom of Jerusalem as well in 1267 or 1268 upon the execution of Conradin.
However, the throne of Jerusalem was also claimed by Mary of Antioch by proximity of blood to Conradin.
The "Haute Cour of Jerusalem" rejected her claim and Hugh was crowned King of Jerusalem at Tyre on 24 September 1269.
Hugh and his descendants, the Kings of Cyprus, assumed his mother's surname of Lusignan in 1267, having inherited Cyprus through that family, thus establishing the Second House of Lusignan.
Hugh disliked dealing with the various factions in the Kingdom of Jerusalem, and left for Cyprus in 1276 in disgust at their defiance of his authority.
The next year, his bailiff, Balian of Ibelin, Lord of Arsuf, was ejected by Roger of Sanseverino, the bailiff of Charles of Anjou, who had purchased the claim of Mary of Antioch.
The kingdom remained under Angevin control for the rest of Hugh's reign.
It is supposed that Thomas Aquinas' work "On Kingship" was written for Hugh III.
He was buried at Santa Sophia, in Nicosia.
Eleanor of Aragon, Countess of Toulouse
Eleanor of Aragon, Countess of Tolouse( 1182–1226) was a daughter of King Alfonso II of Aragon and Sancha of Castile, Queen of Aragon.
She married Raymond VI, Count of Toulouse.
Princess Marie of Hanover
Princess Marie of Hanover (2 December 1849 – 4 June 1904) was the younger daughter of King George V of Hanover and of his wife, Princess Marie of Saxe-Altenburg.

Question: Who is Marie Of Lusignan, Queen Of Aragon's paternal grandfather?
Answer: Henry of Antioch