Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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.
Zhao Shoushan
Zhao Shoushan( 12 November 1894 – 20 June 1965) was a KMT general and later Chinese Communist Party politician.
He is the grandfather of Zhao Leji.
Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
John Mackay (poet)
John Mackay( 1656–1754), known as( The Blind Piper), was a Scottish Gaelic poet and composer, and the grandfather of William Ross.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Marte Gerhardsen
Marte Gerhardsen (born 21 July 1972) is a Norwegian civil servant, politician and organizational leader.
She is a daughter of Rune Gerhardsen and Tove Strand.
From 2008 she was secretary general of the Norwegian chapter of the relief agency CARE.
From April 2014 she headed the think-tank Agenda.
Fred Le Deux
Frederick" Fred" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).
He is the grandfather of Tom Hawkins.
Rune Gerhardsen
Rune Gerhardsen (born 13 June 1946) is a Norwegian politician, representing the Norwegian Labour Party.
He is a son of Werna and Einar Gerhardsen, and attended Oslo Cathedral School.
He chaired the Workers' Youth League from 1973 to 1975 and chaired the City Government of Oslo from 1992 to 1997.
He chaired the Norwegian Skating Association from 1986 to 1990 and 2001 to 2003 and also 2013 to 2017.

Question: Who is the paternal grandfather of Marte Gerhardsen?
Answer: Einar Gerhardsen