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.
Jan V of Zator
Jan V of Zator (before 1455 – 17 September 1513), was a Duke of Zator during 1468–1474 (with his brothers as co-rulers), and ruler over half of Zator from 1474 until his death (during 1474–1482 with his brother as co-ruler).
He was the third son of Duke Wenceslaus I of Zator by his wife Maria, daughter of Urban Kopczowski, a noblemen from the Duchy of Siewierz.
Casimir II of Zator
Casimir II of Zator( – 8 January/ 7 July 1490), was a Duke of Zator during 1468 – 1474( with his brothers as co-rulers), and ruler over half of Zator from 1474 until his death( during 1474 – 1487 with his brother as co-ruler).
He was the eldest son of Duke Wenceslaus I of Zator by his wife Maria, daughter of Urban Kopczowski, a noblemen from the Duchy of Siewierz.
Wenceslaus II of Zator
Wenceslaus II of Zator( 1450/55 – before 5 October 1487), was a Duke of Zator during 1468- 1474( with his brothers as co-rulers), and ruler over half of Zator from 1474 until his death( with his brother as co-ruler).
He was the second son of Duke Wenceslaus I of Zator by his wife Maria, daughter of Urban Kopczowski, a noblemen from the Duchy of Siewierz.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Władysław of Zator
Władysław of Zator( 1455 – 28 May/ 21 September 1494), was a Duke of Zator during 1468 – 1474( with his brothers as co-rulers), ruler over half of Zator during 1474 – 1482( with his brother as co-ruler) and Duke of Wadowice since 1482 until his death.
He was the fourth and youngest son of Duke Wenceslaus I of Zator by his wife Maria, daughter of Urban Kopczowski, a noblemen from the Duchy of Siewierz.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Wenceslaus I of Zator
Wenceslaus I of Zator (– before 29 July 1468), was a Duke of Oświęcim during 1434–1445 (with his brothers as co-rulers) and Duke of Zator from 1445 until his death.
He was the eldest son of Duke Casimir I of Oświęcim by his first wife Anna, daughter of Duke Henry VIII of Żagań.
Johan Braakensiek
Johan Coenraad Braakensiek( 24 May 1858, Amsterdam – 27 February 1940, Amsterdam) was a Dutch painter, illustrator and political cartoonist.
He is the grandfather of Jan van Oort.
Agnes of Zator
Agnes of Zator( b. ca. 1477/80 – d. aft. 1505) was a Polish princess and a member of the Zator branch of the House of Piast.
By virtue of a charter dated in 1492, her father left her as heiress of Wadowice.
Married with the landowner Jan of Tworkow, she was a benefactress of the Wadowice church in which she was buried.

Question: Who is the paternal grandfather of Jan V Of Zator?