Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Adelaide del Vasto
Adelaide del Vasto( Adelasia, Azalaïs)( – 16 April 1118) was countess of Sicily as the third spouse of Roger I of Sicily, and Queen consort of Jerusalem by marriage to Baldwin I of Jerusalem.
She served as regent of Sicily during the minority of her son Roger II of Sicily from 1101 until 1112.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Orlando d'Aragona
Orlando (or Roland) (1296–1361) was the second-eldest illegitimate son of Frederick II of Sicily by his concubine Sibilla di Sormella.
During his father's reign, he lived in the shadows, but he rose to influence in the courts of his half-brother Peter II and his nephews, Louis and Frederick IV, especially as the leader of the Catalan party after the death of his brother Giovanni of Randazzo.
In 1339, he was present fighting the Angevins then trying to conquer Lipari.
Taken captive, he was freed in November 1340 through the interference of a Sienese widow, Camiola Turinga, a woman he promised to marry.
He never did and was considered highly ungrateful by contemporaries, including Boccaccio.
From 1343 to 1345, he was governor of Palermo and in 1345, "strategos" of Messina.
He supported the duke of Randazzo as regent during the reign of Louis and then supported his sister-in-law Elisabeth of Carinthia after the duke's death.
He was sent as an ambassador to Sardinia on behalf of Peter IV of Aragon in 1353.
He continued to help Elisabeth into the reign of his other nephew Frederick the Simple.
He was a soldier and a general during the last wars between the houses of Barcelona and Anjou for possession of Trinacria.
He distinguished himself in the Battle of Aci and in defending Messina from the Angevins.
In 1358, he reconquered the area from Vizzini to Avola.
He died in a spring skirmish at Caltanissetta, during the war between Federico Chiaramonte and Francesco Ventimiglia.
Orlando married Maria de Stromoncourt, and had four children: Alfonso, Federigo, Juan, and Sybilla.
All boys were Barons of Avola, Sicily only Juan had issue and their descendants, while Sybilla married into Maltese nobility Michele de Bava, Baron de Djar-il-Bniet in Dingli, Rabat, on the island of Malta and had issue.
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.
Frederick III of Sicily
Frederick II (or III) (13 December 1272 – 25 June 1337) was the regent (from 1291) and subsequent King of Sicily from 1295 until his death.
He was the third son of Peter III of Aragon and served in the War of the Sicilian Vespers on behalf of his father and brothers, Alfonso ΙΙΙ and James ΙΙ.
He was confirmed as King of Trinacria (another name for the island of Sicily) by the Peace of Caltabellotta in 1302.
His reign saw important constitutional reforms: the "Constitutiones regalesCapitula alia", and "Ordinationes generales".
Prithvipati Shah
Prithvipati Shah( ?–1716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.
He was the grandfather of Nara Bhupal Shah.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Constance of Sicily, Queen of Aragon
Constance II of Sicily was Queen consort of Aragon as the wife of Peter III of Aragon and a pretender to the Kingdom of Sicily from 1268 to 1285.
She was the only daughter of Manfred of Sicily and his first wife, Beatrice of Savoy.

Question: Who is the paternal grandfather of Orlando D'Aragona?
Answer: Peter III of Aragon