Jiajing Emperor
The Jiajing Emperor (16September 150723January 1567) was the 12th Emperor of the Ming dynasty, reigned from 1521 to 1567.
Born Zhu Houcong
, he was the former Zhengde Emperor's cousin.
His father, Zhu Youyuan (1476–1519), the Prince of Xing, was the fourth son of the Chenghua Emperor (reigned from 1464 to 1487) and the eldest son of three sons born to the emperor's concubine, Lady Shao.
The Jiajing Emperor's regnal name, "Jiajing", means "admirable tranquility".
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Prithvipati Shah
Prithvipati Shah( ?–1716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.
He was the grandfather of Nara Bhupal Shah.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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.
Ning An (footballer)
Ning An( or" Níng Ān"; or; born 8 October 1995 in Guangzhou) is a Chinese football player who currently plays for Guangzhou R&F.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Ning An
Ning An, also known as An Ning( born 1976), is a Chinese- born American pianist.
Princess Ning'an
Princess Ning'an was a Ming Dynasty princess and the third daughter of the Jiajing Emperor to survive infancy.

Question: Who is Princess Ning'An's paternal grandfather?
Answer: Zhu Youyuan