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.
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.
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.
Énna Derg
Énna Derg, son of Dui Finn, was, according to medieval Irish legend and historical tradition, a High King of Ireland, who took power after killing his predecessor, and his father's killer, Muiredach Bolgrach.
He was called "derg", red, because he had a red face.
It is said that coins were first used in Ireland during his reign.
He ruled for twelve years, before dying of plague in Sliab Mis, surrounded by a large number of his troops.
He was succeeded by his son Lugaid Íardonn.
The "Lebor Gabála Érenn" synchronises his reign with that of Artaxerxes I of Persia (465–424 BC).
The chronology of Geoffrey Keating's "Foras Feasa ar Éirinn" dates his reign to 670–658 BC, that of the "Annals of the Four Masters" to 893–881 BC.
Lugaid Íardonn
Lugaid Íardonn, son of Énna Derg, was, according to medieval Irish legend and historical tradition, a High King of Ireland.
His epithet, Old Irish for" dark brown", came from the colour of his hair.
He succeeded his father, who had died of plague, to the throne, and ruled for nine years before he was killed at Ráth Clochair by Sírlám, son of Finn mac Blatha.
The" Lebor Gabála Érenn" synchronises his reign with that of Artaxerxes I of Persia( 465 – 424 BC).
The chronology of Geoffrey Keating's" Foras Feasa ar Éirinn" dates his reign to 658–649 BC, that of the" Annals of the Four Masters" to 881–872 BC.
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
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).
Dui Finn
Dui Finn, son of Sétna Innarraid, was, according to medieval Irish legend and historical tradition, a High King of Ireland.
He took power after killing his predecessor, and his father's killer, Siomón Brecc.
He ruled for ten years, before he was killed by Siomón's son Muiredach Bolgrach.
The "Lebor Gabála Érenn" synchronises his reign with those of Xerxes I (485–465 BC) and Artaxerxes I (465–424 BC) of Persia.
The chronology of Geoffrey Keating's "Foras Feasa ar Éirinn" dates his reign to 679–674 BCBC, that of the "Annals of the Four Masters" to 904–894 BC.

Question: Who is the paternal grandfather of Énna Derg?
Answer: Sétna Innarraid