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.
Anne Stine Ingstad
Anne Stine Ingstad (11 February 1918 – 6 November 1997) was a Norwegian archaeologist who, along with explorer Helge Ingstad (her husband), discovered the remains of a Viking (Norse) settlement at L'Anse aux Meadows in the Canadian province of Newfoundland and Labrador in 1960.
Henrik Olrik
Ole Henrik Benedictus Olrik( 24 May 1830 – 2 January 1890) was a Danish painter, sculptor and applied artist.
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.
Berge Sigval Natanael Bergesen
Berge Sigval Natanael Bergesen( 6 September 1914 – 10 July 1965) was a Norwegian ship- owner.
He was born in Stavanger as a son of Ole Bergesen.
He was a great- grandson of Ole Bergesen, grandson of Sigval Bergesen, nephew of Sigval Bergesen, Jr. and brother of Ole Bergesen.
He was a co-owner of his father's shipping company from 1948 to his death.
Fanny Bornedal
Fanny Bornedal( born 24 July 2000) is a Danish actress.
Fanny is the daughter of Ole Bornedal.
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
Ole Henrik Magga
Ole Henrik Magga( born August 12, 1947) is a Sámi linguist, professor, and politician from Kautokeino, Norway.
Ole Henrik Moe
Ole Henrik Moe (11 January 1920 – 29 July 2013) was a Norwegian pianist, art historian and art critic.
He was born in Lillehammer, and is the brother of archaeologist Anne Stine Ingstad.
During World War II he was a member of the intelligence organization XU.
He was arrested in October 1942, and was incarcerated in the Sachsenhausen concentration camp from 1943 to 1945.
He was manager of the Henie-Onstad Art Centre from 1966 to 1989.
Among his works are "Slekten Knagenhjelm og Kaupanger" from 1960, and biographies of Lars Hertervig and Inger Sitter.
He was decorated Knight, First Class of the Order of St. Olav in 1980, and was Officer of the French Légion d'honneur.
He was awarded the Arts Council Norway Honorary Award in 1995.
He died in July 2013.
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 Ole Henrik Moe?
Answer: Helge Ingstad