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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Stephanie Flanders
Stephanie Hope Flanders (born 5 August 1968) is a British former broadcast journalist who was the BBC economics editor for five years.
In November 2013, she left the BBC for a role as J.P. Morgan Asset Management's chief market strategist for Britain and Europe.
In June 2017, it was announced that she would return to journalism and would join Bloomberg in October 2017 to lead a new unit called "Bloomberg Economics".
She is the daughter of British actor and comic singer Michael Flanders and activist Claudia Cockburn.
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.
Claudia Cockburn
Claudia Cockburn Flanders, OBE (11 February 1933 – 25 June 1998) was an American-British disability activist who spent much of her working life in the United Kingdom.
Her parents were Claud Cockburn, a journalist, and Hope Hale Davis.
She married singer-songwriter Michael Flanders in 1959.
Her stepmother, by her father's remarriage, was Jean Ross, the reported inspiration for Christopher Isherwood's iconic character Sally Bowles.
Through her father, she was the half-sister of mystery writer Sarah Caudwell, Ross's daughter, and Irish journalists Alexander, Andrew and Patrick Cockburn, and paternal grandaunt of actress Olivia Wilde (née Cockburn) and her siblings.
In 1987, Flanders formed Tripscope, an organisation to help disabled people with transportation difficulties.
She created the post of adviser on disability to the National Bus Company (UK) in the 1970s and served for many years on the national Joint Committee on Mobility for Disabled People and the Department of Transport Advisory Committee on Disability in the UK.
She was awarded an OBE in 1981 for her services to disabled people.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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.

Question: Who is Stephanie Flanders's maternal grandfather?
Answer: Claud Cockburn