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.
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.
Wolfgang Wagner
Wolfgang Wagner (30 August 191921 March 2010) was a German opera director.
He is best known as the director (Festspielleiter) of the Bayreuth Festival, a position he initially assumed alongside his brother Wieland in 1951 until the latter's death in 1966.
From then on, he assumed total control until he retired in 2008, although many of the productions which he commissioned were severely criticized in their day.
He had been plagued by family conflicts and criticism for many years.
He was the son of Siegfried Wagner, the grandson of Richard Wagner, and the great-grandson of Franz Liszt.
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.
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.
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.
Katharina Wagner
Katharina Wagner (born 21 May 1978 in Bayreuth) is a German opera stage-director and co-director of the Bayreuth Festival.
She is the daughter of Wolfgang Wagner, great-granddaughter of Richard Wagner, and great-great granddaughter of Hungarian composer Franz Liszt.
Wagner has staged "Der fliegende Holländer" in Würzburg and "Lohengrin" in Budapest.
Her directorial début at the Bayreuth Festival, staging a production of Richard Wagner's "Die Meistersinger von Nürnberg" in July 2007, was booed at its premiere, but established a following which returned to watch the production evolve as Wagner made changes in each of the five years
it was on view.
Wagner also took a bow after every performance, with audiences split between bravas and boos.
On 1 September 2008, Katharina Wagner was named together with her half-sister Eva Wagner-Pasquier as the new director of the Bayreuth Festival by the Richard Wagner Foundation, succeeding their father Wolfgang.
This followed an extended family dispute.
They were chosen in preference to their cousin Nike Wagner and the Belgian opera director and administrator Gerard Mortier, who had placed a late joint bid for the directorship on 24 August.
In October 2010, Wagner planned to visit Israel in order to invite the Israel Chamber Orchestra to play a concert in July 2011 at the Bayreuth town hall, to end a post-1945 boycott of Wagner's music in Israel.
Her visit was canceled after hostility from Holocaust survivors.

Question: Who is the paternal grandfather of Katharina Wagner?
Answer: Siegfried Wagner