John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Sancho I of Portugal
Sancho I , nicknamed "the Populator" , King of Portugal (Coimbra, 11 November 115426 March 1211)
was the second but only surviving legitimate son and fifth child of Afonso I of Portugal by his wife, Maud of Savoy.
Sancho succeeded his father and was crowned in Coimbra when he was 31 years old on 9 December 1185.
He used the title King of Silves from 1189 until he lost the territory to Almohad control in 1191.
Sancha, Lady of Alenquer
Sancha of Portugal (1180 in Coimbra – 13 March 1229 in Celas Monastery), was a Portuguese "infanta", second daughter of King Sancho I of Portugal and Dulce of Aragon.
Sancha of León
Sancha of León( 8 November 1067) was a Queen of León.
Manuel, Prince of Portugal (1531–1537)
Manuel, Prince of Portugal( 11 November 1531 – 14 April 1537), was the Prince of Portugal from 1535 to his death in 1537.
He was the fifth child son of king John III of Portugal and Catherine of Austria.
In 1535, his father officially designated him as Prince of Portugal, taking the place of his eldest sister Infanta Maria Manuela.
However, after his premature death at five years old, his younger brother Infante Filipe became the next Prince of Portugal.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Philip, Prince of Portugal
Filipe, Prince of Portugal( 25 March 1533 – 29 April 1539), was the Prince of Portugal from 1537 to his death in 1539.
He was the sixth child son of king John III of Portugal and Catherine of Austria.
In 1537, he succeeded his brother Prince Manuel as Prince of Portugal, after his premature death.
However, after his own premature death, two years later, after reaching six years old, his younger brother Infante João Manuel became the next Prince of Portugal.
Afonso, Prince of Portugal (1526)
Afonso, Prince of Portugal was the first son of king John III of Portugal and his queen, Catherine of Austria.
He was the Prince of Portugal but died in the same year he was born, in 1526.
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 paternal grandfather of Sancha, Lady Of Alenquer?