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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Alexander of Masovia
Alexander of Masovia (pl: "Aleksander mazowiecki"; 1400 - 2 June 1444) was a Polish prince member of the House of Piast from the Masovian branch.
He was Bishop of Trento since 1425, titular Patriarch of Aquileia since 1439, Cardinal nominated by Antipope Felix V as titular of the diocese of St. Lawrence at Damascus ("San Lorenzo in Damaso") since 1440, titular Bishop of Chur since 1442 and rector at St. Stephen's Cathedral, Vienna since 1442, a diplomat.
He was the second son of Siemowit IV, Duke of Masovia and Alexandra of Lithuania, daughter of Algirdas.
Zhao Shoushan
Zhao Shoushan( 12 November 1894 – 20 June 1965) was a KMT general and later Chinese Communist Party politician.
He is the grandfather of Zhao Leji.
Jerzy Moes
Jerzy Moes( Jerzy Michal Moes; 29 September 1935- 27 April 2019) was a Polish film and television actor.
Moes was born in Warsaw, the sixth son of Aleksander Moes and his wife Barbara Sobańska( Junosza coat of arms).
He is also the grandson of Aleksander Juliusz Moes( 1856 – 1928), a Polish landowner and industrialist from Silesia, and a nephew of Władysław Moes( 1900 – 1986).
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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.
Siemowit IV, Duke of Masovia
Siemowit IV (Ziemowit IV), also known as Siemowit IV the Younger
(pl: "
Siemowit IV Młodszy"; ca. 1353/1356 – 21 January 1426)
, was a Polish prince member of the House of Piast from the Masovian branch, from 1373/74 Duke of Rawa, and after the division of the paternal inheritance between him and his brother in 1381, ruler over Rawa, Płock, Sochaczew, Gostynin, Płońsk and Wizna, since 1386 hereditary Polish vassal, since 1388 ruler over Belz, during 1382–1401 he lost Wizna and during 1384–1399 and 1407–1411 he lost Zawkrze, during 1384–1399 he lost Płońsk, taken by the Teutonic Order.
He was the second son of Siemowit III, Duke of Masovia and his first wife Euphemia, daughter of Nicholas II of Opava.
Already during his father's lifetime, Siemowit IV received his own district, Rawa Mazowiecka (ca. 1373/74), and as a result of the partition of Masovia between him and his older brother
Janusz
I after the death of their father on 16 June 1381, Siemowit IV finally obtain the totality of his domains:
Rawa, Płock, Sochaczew, Gostynin, Płońsk and Wizna.
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

Question: Who is Alexander Of Masovia's paternal grandfather?
Answer: Siemowit III, Duke of Masovia