Eskivat de Chabanais
Eschivat IV Chabanais( died 1283) was Count of Bigorre from 1255 to 1283 and Count of Armagnac and de Fézensac of 1255 in 1256.
He was the son of Jordan, Lord of Chabanais, and Alix de Montfort, Countess of Bigorre.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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.
Ermesinda of Bigorre
Ermesinda of Bigorre
(Aragonese: "Ermisenda de Bigorra"), born Gerberga or Gisberga (1015 – 1 December 1049), was a Queen of Aragon, a daughter of Bernard-Roger, Count of Bigorre and his wife Garsenda, Heiress of Bigorre.
She was a member of the House of Foix, the sister of Bernard II, Count of Bigorre, Roger I, Count of Foix, and perhaps of Stephanie who married García Sánchez III of Navarre.
Gerberga married on 22 August 1036 to King Ramiro I of Aragon.
After her wedding Gerberga changed her name to Ermesinda.
The couple were married for thirteen years, in which time her husband elevated himself from a vassal holding scattered lands around Jaca into a "de facto" ruler of pocket-kingdom spanning the former counties of Aragon, Sobrarbe and Ribagorza, and is thereby credited with being the first King of Aragon.
They had the following children:
All of Ermesinda's children lived to adulthood.
She died on 1 December 1049 and she was buried at the Monastery of San Juan de la Peña.
Her husband remarried four years later to Agnes.
Bernard-Roger, Count of Bigorre
Bernard Roger  was the count of Couserans, in which capacity he was lord of parts of Comminges and Foix.
He was the son of count
Roger I of Carcassonne.
His elder brother, Raymond I of Carcassonne inherited the county of Carcassonne and the remaining part of the lordship of Comminges.
Bernard Roger's comital status is attested in the donation to the abbey of Saint-Hilaire in 1011.
He is the founder of the House of Foix which ruled that county for centuries.
During his father's lifetime, he married Garsenda, or Arsinde, the heiress of the county of Bigorre.
He built the square tower of the castle at Foix in France and made it his capital, from which a town grew.
He had endowed the monastery at Foix and in it he was buried when he died at the age of 72.
His lands were divided:
His daughter Ermesinda married King Ramiro I of Aragon
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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
Petronilla, Countess of Bigorre
Petronilla of Bigorre or Petronilla of Comminges( 1184 – 1251) was ruling Countess of Bigorre between 1194 and 1251.
She was the only child of Bernard IV, Count of Comminges, and his wife Stephanie- Beatrice IV, Countess of Bigorre.
Petronilla succeeded her mother in 1194 as Countess of Bigorre; she was also Viscountess of Marsan and Nébouzan through further successions.
She reigned as countess for fifty- seven years, in which time she was married five times.
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.
Alice, Countess of Bigorre
Alice of Bigorre( 1217/1220-1255), also known as" Alice" or" Alix de Monfort" was" suo jure" ruling Countess of Bigorre between 1251 and 1255.
She was the eldest daughter of Petronilla, Countess of Bigorre and her third husband Guy de Monfort.
Alice was married twice during her lifetime and from her first marriage, she gained the title of" Lady of Chabanais".

Question: Who is Ermesinda Of Bigorre's paternal grandfather?
Answer: Roger I of Carcassonne