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
Norodom Ekcharin
Prince Norodom Ekcharin (born April 15, 1969) is the second son of Prince Norodom Yuvaneath and Princess Tea Kim Yin.
Prince Norodom Ekcharin was thought to have died as a child in 1976 during the Khmer Rouge regime, but he survived after being secretly brought to Thailand, and later grew up in Sweden and is since 2014 finally reunited with his family.
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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 Mackay (poet)
John Mackay( 1656–1754), known as( The Blind Piper), was a Scottish Gaelic poet and composer, and the grandfather of William Ross.
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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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.
Norodom Yuvaneath
Prince Norodom Yuvaneath (born October 17, 1943) is the first son of the late king of Cambodia, Norodom Sihanouk and Princess Sisowath Pongsanmoni.
He is the half-brother of the current king, Norodom Sihamoni.

Question: Who is Norodom Ekcharin's paternal grandfather?
Answer: Norodom Sihanouk