Bradley Orr
Bradley James Orr( born 1 November 1982) is an English retired footballer.
He is the uncle of Rangers defender Jon Flanagan.
Bonifazio Bevilacqua Aldobrandini
Bonifazio Bevilacqua Aldobrandini (1571 – April 7, 1627) was an Italian Cardinal.
He was the uncle of Pope Gregory XIV.
Christopher H. Clark
Christopher Henderson Clark (1767 – November 21, 1828) was a congressman and lawyer from Virginia.
He was the brother of James Clark, the uncle of John Bullock Clark, Sr. and the great-uncle of John Bullock Clark, Jr..
Victor (consul 369)
Victor( died after AD 383) was a Roman military officer and politician, who served the emperors Constantius II, Julian, Jovian and Valens.
He was appointed consul in AD 369, alongside Valentinianus Galates.
Valens
Valens (328 – 9 August 378) was Eastern Roman Emperor from 364 to 378.
He was given the eastern half of the empire by his brother Valentinian I after the latter's accession to the throne.
Valens was defeated and killed in the Battle of Adrianople, which marked the beginning of the collapse of the Western Roman Empire.
John Montgomery Glover
John Montgomery Glover( September 4, 1822 – November 15, 1891) was a North American politician, who served as a U.S. Representative from Missouri, he was the uncle of John Milton Glover.
Hysen Hoxha
Hysen Efendi Hoxha( 1861–1934) was an Albanian politician, mayor of Gjirokastër, and the uncle of Enver Hoxha.
Giuseppe Bonizzoni
Giuseppe Bonizzoni( 22 April 1908 – 21 July 1976) was an Italian professional footballer who played as a defender.
He was the uncle of former footballer and manager Luigi Bonizzoni.
Valentinianus Galates
Valentinianus Galates (January 18, AD 366 – c. 370) was the only son of the emperor Valens.
Ivan Novoseltsev
Ivan Petrovich Novoseltsev( born January 23, 1979) is a Russian former professional ice hockey winger.
He is the uncle of Vladislav Namestnikov.

Question: Who is the uncle of Valentinianus Galates?
Answer: Valentinian I