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.
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
Giorgio Cornaro (bishop of Padua)
Giorgio Cornaro( 1613–1663) was a Roman Catholic prelate who served as Bishop of Padua( 1642 – 1663).
Giorgio Cornaro (cardinal)
Giorgio Cornaro or Giorgio Corner( 1658 –1722) was a Roman Catholic cardinal and member of the Cornaro family.
Catherine Cornaro
Catherine Cornaro  (25 November 1454 – 10 July 1510) was the last monarch of the Kingdom of Cyprus.
She was queen consort of Cyprus by marriage to James II of Cyprus, regent of Cyprus during the minority of her son James III of Cyprus in 1473–1474, and finally queen regnant of Cyprus.
She reigned from 26 August 1474 to 26 February 1489 and was declared a "Daughter of Saint Mark" in order that the Republic of Venice could claim control of Cyprus after the death of her husband, James II.
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.
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.
Eusebius (consul 359)
Flavius Eusebius( died after AD 371) was a Roman Senator, who was the brother- in- law of the emperor Constantius II.
Giorgio Cornaro
"Nobil Huomo" Giorgio Cornaro, called "Padre della Patria" (1452, in Venice – 31 July 1527, in Venice), Knight of the Holy Roman Empire, patrician of the Republic of Venice, Podestà of Brescia in 1496, Procurator of St Mark's.
He was the son of "Nobil Huomo" Marco Cornaro (December 1406 – 1 August 1479) and wife, married in 1444, Fiorenza Crispo (1422 - 1501), daughter of Nicholas Crispo, Lord of Syros, and wife Valenza=Eudokia Komnena.
His sister was Catherine Cornaro, Queen of Cyprus.
Married in Venice in 1475
"Nobil Donna" Elisabetta Morosini, Patrizia Veneta, and had issue, called "Cornaro della Regina".
Giorgio is depicted in a double portrait, with his son Cardinal Francesco Cornaro, in the National Gallery of Ireland.
Giorgio Cornaro (bishop of Treviso)
Giorgio Cornaro( 1524–1578) was a Roman Catholic prelate who served as Bishop of Treviso( 1538 – 1577) and Apostolic Nuncio to Florence( 1561 – 1565).

Question: Who is the sibling-in-law of Giorgio Cornaro?