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.
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
Caspar Herman Hausmann
Caspar Herman Hausmann was a Danish-Norwegian General, lumber merchant and squire.
He was born 10 January 1653 at Segeberg in the Danish duchy of Holsten (now Holstein), which was then in union with Denmark-Norway.
He died 9 September 1718 in Christiania (now Oslo) and lies in a crypt in Oslo Cathedral.
He was married to Karen Nielsdatter Toller (1662–1742).
He was a half-brother by Margaret Pape with Ulrik Frederik Gyldenløve (1638–1704) —
Gyldenløve was King Frederick III of Denmark's acknowledged illegitimate son and "Statholder" (viceroy) to Norway from 1664 until 1699.
Karen Toller
Karen Toller (1662 – 13 August 1742) was a Norwegian estate owner and ship owner.
She was born in Tønsberg; the daughter of Niels Toller (c.1624–1676) and Kirsten Andersdatter Tonsberg, and a granddaughter of merchant and Mayor of Christiania Niels Toller (d. 1642)
She was married to General Casper Herman Hausmann.
She inherited significant fortunes from both her parents, including sawmills, several farms and other properties, and was among the wealthiest women in Christiania.
After the death of her husband she continued running the family's businesses.
She also contributed to the establishment of a hospital for poor people in Christiania.
Mats de Tonsberg
Mats de Tonsberg( 1638 – 1705) was a Norwegian civil servant and timber trader.
He was born in Tønsberg in Vestfold to civil servant Anders Madssøn( 1609- 1670) and Karen Stranger( 1617- 1698).
He was a brother- in- law of Christian Stockfleth, and uncle of Karen Toller.
Born into a wealthy family, he studied at the University of Copenhagen from 1655, and subsequently politics and history at the Leiden University from 1661.
After visiting several European universities, he returned to Norway in 1668, and was assigned an administrative position at the Akershus Castle.
From 1679 he served as County governor of Buskerud, residing in Drammen.
He was a member of" Overhofretten" from 1684, and member of" Slottsloven" from 1704.
Tonsberg received the title of Chancellor in 1684 and rank of Councillor of State in 1704 Besides his public services, he was running a timber trading business.
From his base in Drammen, he ran exports of lumber and collaboration with the city's leading merchants and ship owners.
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.
Ellen Dahl
Ellen Dahl (13 September 1886 - 17 February 1959) was a Danish writer and philanthropist.
She was the younger sister of Karen Blixen.
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
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.
Eusebius (consul 359)
Flavius Eusebius( died after AD 371) was a Roman Senator, who was the brother- in- law of the emperor Constantius II.

Question: Who is the sibling-in-law of Karen Toller?
Answer: Ulrik Frederik Gyldenløve