Louis the German
Louis the German (c. 806/810 – 28 August 876), also known as Louis II, was the first king of East Francia, and ruled from 843876 AD.
Grandson of emperor Charlemagne and the third son of Louis the Pious, emperor of Francia, and his first wife, Ermengarde of Hesbaye, he received the appellation "Germanicus" shortly after his death in recognition of Magna Germania of the Roman Empire, reflecting the Carolingian's assertions that they were the rightful descendants of the Roman Empire.
After protracted clashes with his father and his brothers, Louis received the East Frankish Empire in the 843 Treaty of Verdun.
His attempts to conquer the West Frankish Empire of his half-brother Charles the Bald in 858–59 were unsuccessful.
The 860s were marked by a severe crisis, with the East Frankish rebellions of the sons, as well as struggles to maintain supremacy over his realm.
In the Treaty of Meerssen he acquired Lotharingia for the East Frankish Empire in 870.
On the other hand, he tried and failed to claim both the title of Emperor and Italy.
In the East, Louis was able to reach a longer-term peace agreement in 874 after decades of conflict with the Moravians.
Due to a decline in the written form in administration and government, Louis' reign predates Ottonian times.
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.
Thomas Pitt
Thomas" Diamond" Pitt( 5 July 1653 – 28 April 1726) of Stratford in Wiltshire and of Boconnoc in Cornwall, was an English merchant involved in trade with India who served as President of Madras and six times as a Member of Parliament.
He was the grandfather of William Pitt, 1st Earl of Chatham(" Pitt the Elder") and was great- grandfather of Pitt the Younger, both prime ministers of Great Britain.
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Louis the Younger
Louis the Younger (830/835 – 20 January 882), sometimes Louis III, was the second eldest of the three sons of Louis the German and Emma.
He succeeded his father as the King of Saxony on 28 August 876 and his elder brother Carloman as King of Bavaria from 880 to 882.
He died in 882 and was succeeded in all his territories, which encompassed most of East Francia, by his younger brother, Charles the Fat, already king of Italy and emperor.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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
Ed Bruneteau
Edward Ernest H." Eddie" Bruneteau( August 1, 1919 – July 30, 2002) was an ice hockey right winger.
He was born in St. Boniface, Manitoba.
Bruneteau played 181 games with the Detroit Red Wings of the National Hockey League over seven seasons.
He also coached the Omaha Lancers for 21 games in the 1986 – 87 season leading the team to a 0–21 record.
Ed is the younger brother of" Mud" Bruneteau, famous for ending the longest overtime game in NHL history, and the grandfather of Matthew, Brett Bruneteau, and Nick Bruneteau all NCAA Division 1 college hockey players.
He is also the grandfather of Colton Bruneteau Lower, a Sonar Technician in the United States Navy.

Question: Who is Louis The Younger's paternal grandfather?
Answer: Louis the Pious