Robert W. Levering
Robert Woodrow Levering( October 3, 1914 – August 11, 1989) was a U.S. Representative from Ohio, son-in- law of Usher L. Burdick and brother- in- law of Quentin N. Burdick.
Charles Francis Norton
Charles Francis Norton( 1807 – 1835) was a 19th- century Member of Parliament for Guildford.
Norton was also a Captain of 52nd Light Infantry; son-in- law of Sir Colin Campbell; brother- in- law of writer Caroline Norton
Valentinian I
Valentinian I (3 July 32117 November 375), also known as Valentinian the Great, was Roman emperor from 364 to 375.
Upon becoming emperor he made his brother Valens his co-emperor, giving him rule of the eastern provinces while Valentinian retained the west.
During his reign, Valentinian fought successfully against the Alamanni, Quadi, and Sarmatians.
Most notable was his victory over the Alamanni in 367 at the Battle of Solicinium.
His brilliant general Count Theodosius defeated a revolt in Africa and the Great Conspiracy, a coordinated assault on Roman Britain by Picts, Scots, and Saxons.
Valentinian was also the last emperor to conduct campaigns across both the Rhine and Danube rivers.
Valentinian rebuilt and improved the fortifications along the frontiers, even building fortresses in enemy territory.
Due to the successful nature of his reign and the rapid decline of the empire after his death, he is often considered to be the "last great western emperor".
He founded the Valentinian Dynasty, with his sons Gratian and Valentinian II succeeding him in the western half of the empire.
Robert Vadra
Robert Vadra is an Indian businessman, entrepreneur and the husband of Priyanka Gandhi.
He is the son -in- law of Sonia Gandhi and Rajiv Gandhi, and the brother- in- law of Rahul Gandhi.
Abraham M. Lurie
Abraham M. Lurie( 1923 – June 29, 2010) was an American real estate developer who was behind the development of much of Marina del Rey.
Marina Severa
Marina Severa (died before 375) was the Empress of Rome and first wife of Emperor
Valentinian I. She was the mother of later Emperor Gratian.
Her full name is unknown.
Marina Severa is a combination of the two names given in primary sources.
Socrates of Constantinople calls her "Severa" while John Malalas, the "Chronicon Paschale" and John of Nikiû name her "Marina".
Greg Penner
Gregory B. Penner( born December 18, 1969) is an American businessman and venture capitalist.
Penner was named the chairman of Walmart on June 5, 2015.
He is the son-in- law of S. Robson Walton and the grandson- in- law of Sam Walton, the founder of Walmart.
Nick Sidi
Nick Sidi( born 22 February 1966 in Manchester, England) is an English actor.
He is the son -in- law of actress Rosalind Knight and brother- in- law of actress Susannah Elliott- Knight.
He often plays drama or comedy roles on television and frequently appears in BBC dramas.
Romanos Argyros (10th century)
Romanos Argyros was a Byzantine aristocrat and son-in- law of Emperor Romanos I Lekapenos.
Wyndham Goold
Wyndham Goold( 1812-1854) was a Member of Parliament( MP) for County Limerick from 1850 to 1854.
Goold was educated at Westminster School and Trinity College, Dublin.
He was the son in law of Frederick Falkiner Goold, Archdeacon of Raphoe and brother in law of Bishop Hamilton Verschoyle

Question: Who is Marina Severa's sibling-in-law?
Answer: Valens