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.
Lady Helen Taylor
Lady Helen Marina Lucy Taylor ("née" Windsor; born 28 April 1964) is a relative of the British royal family.
She is the daughter of Prince Edward, Duke of Kent, and Katharine, Duchess of Kent, and a great-granddaughter of King George V. She is currently 43rd in line of succession to the British throne.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
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.
Prince Edward, Duke of Kent
Prince Edward, Duke of Kent, (Edward George Nicholas Paul Patrick; born 9 October 1935) is a member of the British royal family.
He is a first cousin of Queen Elizabeth II through their fathers, Prince George, Duke of Kent, and King George VI.
Because his mother, Princess Marina of Greece and Denmark was a cousin of Prince Philip, Duke of Edinburgh, Edward is both a second cousin and first cousin once removed to Prince Charles and his siblings.
He has held the title of Duke of Kent since the age of six, after the death of his father in a plane crash in 1942.
He carries out engagements on behalf of the Queen.
He is president of the All England Lawn Tennis and Croquet Club, presenting the trophies to the Wimbledon champion and runner-up, and served as the United Kingdom's Special Representative for International Trade and Investment, retiring in 2001.
He is president of The Scout Association, the Royal United Services Institute, and the Royal Institution of Great Britain, and since 1967 Grand Master of the United Grand Lodge of England.
He is also patron of the Institute of Advanced Motorists, an independent road safety charity which specialises in training and advice for post-licence drivers and riders.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Helen Taylor (writer)
Helen Taylor( 1818–1885) was an English writer of books for children.
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.

Question: Who is the paternal grandfather of Lady Helen Taylor?
Answer: Prince George, Duke of Kent