Eusebius (consul 359)
Flavius Eusebius( died after AD 371) was a Roman Senator, who was the brother- in- law of the emperor Constantius II.
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.
Vladimir Kovalevsky (paleontologist)
Vladimir Onufrievich Kovalevsky (2 August 1842 – 15 April 1883) was a Russian academic and paleontologist.
One of the first adopters of Charles Darwin in Russia, he is most notable for his early work on the evolution of the Hippomorpha family.
Brother of Alexander Kovalevsky.
He married Sofia Kovalevskaya, and had a daughter named Sofia, nicknamed 'Fufa'.
After spending some years together as a couple, Vladimir, financially ruined, a victim of depression and unable to support his wife and daughter, committed suicide.
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.
Alexander Kovalevsky
Alexander Onufrievich Kovalevsky( 7 November 1840 in Vorkovo, Vitebsk Governorate, Russian Empire – 1901, St. Petersburg, Russian Empire), also written Alexander Kowalevsky, was a Russian embryologist of Polish descent, who studied medicine at the University of Heidelberg and became professor at the University of St Petersburg.
He was the brother of paleontologist Vladimir Kovalevsky.
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
Nikolay Vinogradov
Nikolay Vladimirovich Vinogradov( born April 22, 1947) was the governor of Vladimir Oblast.
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.
Sofya Kovalevskaya
Sofya Vasilyevna Kovalevskaya , born Sofya Vasilyevna Korvin-Krukovskaya (– 10 February 1891), was a Russian mathematician who made noteworthy contributions to analysis, partial differential equations and mechanics.
She was a pioneer for women in mathematics around the world – the first woman to obtain a doctorate (in the modern sense) in mathematics, the first woman appointed to a full professorship in Northern Europe and one of the first women to work for a scientific journal as an editor.
According to historian of science Ann Hibner Koblitz, Kovalevskaia was "the greatest known woman scientist before the twentieth century".
Historian of mathematics
Roger Cooke writes:
Her sister was the socialist Anne Jaclard.
There are several alternative transliterations of her name.
She herself used Sophie Kowalevski (or occasionally Kowalevsky) in her academic publications.

Question: Who is the sibling-in-law of Vladimir Kovalevsky (Paleontologist)?
Answer: Anne Jaclard