Empress Shōken
, also known as, was the wife of Emperor Meiji of Japan.
Agatha (wife of Samuel of Bulgaria)
Agatha was the wife of Emperor Samuel of Bulgaria.
Eunoë (wife of Bogudes)
Eunoë was the wife of Bogudes, King of Mauretania.
Reginald Claypoole Vanderbilt
Reginald Claypoole Vanderbilt (January 14, 1880 – September 4, 1925) was an American millionaire, equestrian and gambler.
He was the father of fashion designer Gloria Vanderbilt.
He was the founder and president of many equestrian organizations.
Gloria Vanderbilt
Gloria Laura Vanderbilt (February 20, 1924 – June 17, 2019) was an American artist, author, actress, fashion designer, heiress, and socialite.
She was a member of the Vanderbilt family of New York and the mother of CNN television anchor Anderson Cooper.
During the 1930s, she was the subject of a high-profile child custody trial in which her mother, Gloria Morgan Vanderbilt, and her paternal aunt, Gertrude Vanderbilt Whitney, each sought custody of her and control over her trust fund.
Called the "trial of the century" by the press, the court proceedings were the subject of wide and sensational press coverage due to the wealth and prominence of the involved parties, and the scandalous evidence presented to support Whitney's claim that Gloria Morgan Vanderbilt was an unfit parent.
As an adult in the 1970s, Vanderbilt launched a line of fashions, perfumes, and household goods bearing her name.
She was particularly noted as an early developer of designer blue jeans.
Éléonore Desmier d'Olbreuse
Éléonore Marie Desmier d'Olbreuse (3 January 1639 – 5 February 1722) was the wife of George William, Duke of Lauenburg and Prince of Celle.
She was the mother of Sophia Dorothea of Celle, who was the wife of George I of Great Britain.
Thus she is the maternal grandmother of George II.
Paul Siogvolk
Paul Siogvolk (real name Albert Mathews) (September 8, 1820 – September 9, 1903) was an American author, lawyer and editor.
He was also the step-father of Alice Claypoole Vanderbilt.
Catherine Exley
Catherine Exley was the wife of a soldier and accompanied her husband when he served in Portugal, Spain and Ireland during the Napoleonic Wars.
She is best known as the author of a diary that gives an account of military life in that era from the viewpoint of the wife of a common soldier.
Artaynte
Artaynte( f. 478 BC), was the wife of the Crown Prince Darius.
Hafsa Hatun
Hafsa Hatun was the wife of Sultan Bayezid I of the Ottoman Empire.

Question: Who did Reginald Claypoole Vanderbilt marry?
Answer: Gloria Morgan Vanderbilt