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.
Beatrice of Sicily, Latin Empress
Beatrice of Sicily (1252 – 17 November/12 December 1275) was titular Latin Empress as the wife of Philip of Courtenay.
Her parents were Charles I of Sicily and Beatrice of Provence.
Under the Treaty of Viterbo (27 May 1267), Baldwin II of Courtenay transferred much of the rights to the Latin Empire to Charles I. Charles was to be confirmed in possession of Corfu and some cities in Albania.
He was also given suzerainty over the Principality of Achaea and sovereignty of the Aegean Islands, excepting those held by Venice and Lesbos, Chios, Samos, and Amorgos.
The same treaty arranged the marriage of Philip of Courtenay, heir apparent to the Latin Empire, and Beatrice, second daughter of Charles.
If the marriage was childless, Philip's rights would be inherited by Charles I. Beatrice was approximately fifteen-years-old at the time of her betrothal.
On 15 October 1273, Beatrice and Philip were married in Foggia.
The bride was twenty-one-years old and the groom thirty.
Her father-in-law died days later.
Philip was proclaimed emperor with Beatrice as empress.
The marriage was harmonious and produced a daughter, Catherine I of Courtenay, born on 25 November 1274.
Beatrice died in late 1275 after a short illness.
Beatrice of Rethel
Beatrice of Rethel( 1130/35 – 30 March 1185) was a French noblewoman and Queen of Sicily as the third wife of Roger II.
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.
Beatrice of Provence
Beatrice of Provence (c. 122923 September 1267), was ruling Countess of Provence and Forcalquier from 1245 until her death, as well as Countess of Anjou and Maine, Queen of Sicily and Naples by marriage to Charles I of Naples.
She was the fourth and youngest daughter of Ramon Berenguer IV, Count of Provence and Forcalquier by his wife Beatrice, in turn daughter of Count Thomas I of Savoy and Margaret of Geneva.
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.
Beatrice of Sicily (1326–1365)
Beatrice of Sicily (5 September 1326 – 12 October 1365) was a daughter of Peter II of Sicily and his wife Elisabeth of Carinthia.
She was born into the House of Aragon.
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
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.
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.

Question: Who is the maternal grandfather of Beatrice Of Sicily, Latin Empress?
Answer: Ramon Berenguer IV, Count of Provence