Eleanor of Sicily
Eleanor of Sicily( 1325–1375) was Queen of Aragon from 1349 until 1375 as the third wife of King Peter IV.
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.
Eleanor of Anjou
Eleanor of Anjou (August 1289 – 9 August 1341) was Queen of Sicily as the wife of King Frederick III of Sicily.
She was a member of the Capetian House of Anjou by birth.
She was the third daughter of Charles II of Naples and Mary of Hungary.
Eleanor was firstly married in 1299 to , son of Narjot de Toucy and Lucia of Tripoli.
Their marriage was dissolved on 17 January 1300 by Pope Boniface VIII because they were related and had not sought permission from the pope to marry.
On 17 May 1302, Eleanor married secondly to Frederick III of Sicily.
Her father and her new husband had been engaged in a war for ascendancy in the Mediterranean Sea and especially Sicily and the Mezzogiorno.
The marriage was part of a diplomatic effort to establish peaceful relations which would lead to the Peace of Caltabellotta (19 August 1302).
The peace divided the old Kingdom of Sicily into an island portion and a peninsular portion.
The island, called the Kingdom of Trinacria, went to Frederick, who had been ruling it, and the Mezzogiorno, called the Kingdom of Sicily contemporaneously, but called the Kingdom of Naples by modern scholarship, went to Charles II, who had been ruling it.
Thus, the peace was formal recognition of an uneasy "status quo".
Eleanor and Frederick had nine children:
Eleanor died on the 9 August 1341 at the Monastery of San Nicolo di Arena (Catania), she had been a widow since 1337.
She was buried at a Franciscan monastery in Catania.
Margaret of Sicily, Countess Palatine of the Rhine
Margaret of Sicily or Margherita di Sicilia- Aragona( 1331 in Palermo – 1377 in Neustadt) was a Sicilian princess, daughter of the King Frederick III of Sicily and his wife Eleanor of Anjou.
In 1348 she married Rudolf II, Count Palatine of the Rhine, and was Countess Palatine of the Rhine until 1353, year of the husband's death.
Aimery I, Viscount of Châtellerault
Aimery I de Châtellerault( – 7 November 1151), was the Viscount of Châtellerault and father of Aenor de Châtellerault.
Through his daughter he was the grandfather of Eleanor of Aquitaine, successively queen of France and England.
Elisabeth of Sicily, Duchess of Bavaria
Elisabeth of Sicily( 1310–1349) was a daughter of Frederick III of Sicily and Eleanor of Anjou.
Her siblings included: Peter II of Sicily and Manfred of Athens.
After her death her title was given to Georgia Lanza.
On June 27, 1328, Elisabeth married Stephen II, Duke of Bavaria, son of Louis IV, Holy Roman Emperor and Beatrix of Silesia- Glogau.
The couple had three sons and a daughter, they were:
Eleanor of England, Queen of Castile
Eleanor of England( c. 1161 – 31 October 1214), was Queen of Castile and Toledo as wife of Alfonso VIII of Castile.
She was the sixth child and second daughter of Henry II, King of England, and Eleanor of Aquitaine.
Yolande, Duchess of Lorraine
Yolande( 2 November 1428, Nancy – 23 March 1483, Nancy), was Duchess of Lorraine( 1473) and Bar( 1480).
She was the daughter of Isabella, Duchess of Lorraine, and René of Anjou( King of Naples, Duke of Anjou, Bar and Lorraine, Count of Provence).
Though she was nominally in control of major territories, she ceded her power and titles to her husband and her son.
In addition, her younger sister was Margaret of Anjou, Queen of England.
In the 19th century, a romanticised version of her early life was popularised by the play" King René ’s Daughter" by Henrik Hertz, in which she is portrayed as a beautiful blind princess living in an isolated garden paradise.
It was later adapted to Tchaikovsky's opera" Iolanta".
There is no evidence that she was ever blind.
Mary of Hungary, Queen of Naples
Mary of Hungary (c. 1257 – 25 March 1323), of the Árpád dynasty, was Queen consort of the Kingdom of Naples.
She was a daughter of Stephen V of Hungary and his wife Elizabeth the Cuman.
Mary served as Regent in Provence in 1290–1294 and in Naples in 1295–96, 1296–98, and 1302, during the absences of her consort.
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

Question: Who is Eleanor Of Anjou's maternal grandfather?
Answer: Stephen V of Hungary