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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Henry Bryant (naturalist)
Henry Bryant( May 12, 1820 – February 2, 1867) was an American physician and naturalist.
He was the grandfather of Henry Bryant Bigelow.
Fujiwara no Nagara
, also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.
He was the grandfather of Emperor Yōzei.
Chudadhuj Dharadilok
Prince Chudadhuj Dharadilok, Prince of Phetchabun , (4 July 1892– 8 July 1923) was a son of King Chulalongkorn and Queen Saovabha of Thailand.
He was one of the most senior Thai princes during the rule of his full brother, King Vajiravudh.
Varananda Dhavaj
Prince Varananda Dhavaj , born Prince Varananda Dhavaj Chudadhuj (August 19, 1922 – September 14, 1990) was the son of Prince Chudadhuj Dharadilok and Mom Ravi Kayananda.
Although he was the only son of a senior Thai prince, he was disqualified from succession to the throne because his mother was not Prince Chudadhut's formal wife.
Following the death of his father, the prince was raised by his uncle King Prajadhipok.
He joined the monarch in virtual exile in England.
He enlisted in the RAF on February 24, 1942 under the name Nicky Varanand, was commissioned in 1943, and served as pilot in the Normandy campaign during World War II.
He remained in the RAF, finally retiring as a flight lieutenant in 1960 to fly commercial aircraft for Thai Airways International.
He later created his own airline, Air Siam, which went bankrupt in 1977.
In 1973, he also became an adviser to the Ministry of Agriculture.
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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.

Question: Who is the paternal grandfather of Varananda Dhavaj?
Answer: Chulalongkorn