Fred Le Deux
Frederick" Fred" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).
He is the grandfather of Tom Hawkins.
Joanna of Naples (1478–1518)
Joanna of Naples( 15 April 1479 – 27 August 1518) was the Queen consort of Naples by marriage to Ferdinand II of Naples.
After the death of her spouse, she was for a short while considered as his successor.
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.
Beatrice of Naples
Beatrice of Naples (16 November 1457 – 23 September 1508), also known as Beatrice of Aragon , was twice Queen of Hungary and of Bohemia by marriage to Matthias Corvinus and Vladislaus II.
She was the daughter of Ferdinand I of Naples and Isabella of Clermont.
Margaret of Durazzo
Margaret of Durazzo (28 July 1347 – 6 August 1412) was Queen of Naples and Hungary and Princess of Achaea as the spouse of Charles III of Naples.
She was regent of Naples from 1386 until 1393 during the minority of her son Ladislaus of Naples.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
Ferdinand I of Naples
Ferdinand I (2 June 1423 – 25 January 1494), also called Ferrante, was King of Naples from 1458 to 1494.
He was the son of Alfonso V of Aragon and his mistress, Giraldona Carlino.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Beatrice of Silesia
Beatrice of Silesia( also known as Beatrice of Świdnica;,; 1290 – 25 August 1320) was a Polish princess member of the House of Piast in the Silesian branch of Jawor- Świdnica and by marriage Duchess of Bavaria and German Queen.

Question: Who is the paternal grandfather of Beatrice Of Naples?
Answer: Alfonso V of Aragon