Hypatius (consul 359)
Flavius Hypatius( c. 340- died after AD 383) was a Roman Senator, who was the brother- in- law of the Roman emperor Constantius II.
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
Mike Pence
Michael Richard Pence (born June 7, 1959) is an American politician and lawyer serving as the 48th vice president of the United States.
He previously was the 50th governor of Indiana from 2013 to 2017 and a member of the United States House of Representatives from 2001 to 2013.
He is the younger brother of U.S. Representative Greg Pence.
Born and raised in Columbus, Indiana, Pence graduated from Hanover College and earned a law degree from the Indiana University Robert H. McKinney School of Law before entering private practice.
After losing two bids for a U.S. congressional seat in 1988 and 1990, he became a conservative radio and television talk show host from 1994 to 1999.
Pence was elected to the United States Congress in 2000 and represented and in the House of Representatives from 2001 to 2013.
He served as the chairman of the House Republican Conference from 2009 to 2011.
Pence described himself as a "principled conservative" and supporter of the Tea Party movement, stating that he was "a Christian, a conservative, and a Republican, in that order."
Pence successfully sought the Republican nomination for the 2012 Indiana gubernatorial election when term-limited Mitch Daniels retired.
He defeated former speaker John R. Gregg in the closest gubernatorial election in 50 years.
Upon becoming governor in January 2013, Pence initiated the largest tax cut in Indiana's history and pushed for more funding for education initiatives.
Pence signed bills intended to restrict abortions, including one that prohibited abortions if the reason for the procedure was the fetus's race, gender, or disability.
After Pence signed the Religious Freedom Restoration Act, he encountered fierce resistance from moderate members of his party, the business community, and LGBT advocates.
The backlash against the RFRA led Pence to amend the bill to prohibit discrimination based on sexual orientation, gender identity, and other criteria.
Pence was inaugurated as vice president of the United States on January 20, 2017.
He had withdrawn his gubernatorial reelection campaign in July to become the running mate of Republican presidential nominee Donald Trump, who went on to win the presidential election on November 8, 2016.
Eusebius (consul 359)
Flavius Eusebius( died after AD 371) was a Roman Senator, who was the brother- in- law of the emperor Constantius 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.
Karen Pence
Karen Sue Pence (née Batten, formerly Whitaker;
born January 1, 1957) is an American educator, teacher, and painter, and the current second lady of the United States since 2017.
She is married to the 48th and current vice president of the United States, Mike Pence.
She was formerly the first lady of Indiana from January 14, 2013 to January 9, 2017.
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
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.
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.
Ellen Dahl
Ellen Dahl (13 September 1886 - 17 February 1959) was a Danish writer and philanthropist.
She was the younger sister of Karen Blixen.

Question: Who is Karen Pence's sibling-in-law?
Answer: Greg Pence