Vera Miletić
Vera Miletić (Serbian Cyrillic: Вера Милетић; 8 March 1920 – 7 September 1944) was a Serbian student and soldier.
She was notable for being the mother of Mira Marković, posthumously making her the mother-in-law of Serbian president Slobodan Milošević.
Ebba Eriksdotter Vasa
Ebba Eriksdotter Vasa (circa 1491 – 21 November 1549) was a Swedish noblewoman.
She was the mother of Queen Margaret Leijonhufvud and the second cousin and mother-in-law of King Gustav Vasa.
Eldon Howard
Eldon Howard was a British screenwriter.
She was the mother- in- law of Edward J. Danziger and wrote a number of the screenplays for films by his company Danziger Productions.
Cornelia (mother of the Gracchi)
Cornelia( c. 190s – c. 115 BC) was the second daughter of Publius Cornelius Scipio Africanus, the hero of the Second Punic War, and Aemilia Paulla.
She is remembered as a prototypical example of a virtuous Roman woman.
She was the mother of the Gracchi brothers, and the mother- in- law of Scipio Aemilianus.
Maria Thins
Maria Thins( c. 1593 – 27 December 1680) was the mother- in- law of Johannes Vermeer and a member of the Gouda Thins family.
Priscilla Pointer
Priscilla Marie Pointer( born May 18, 1924) is an American stage, film and television character actress.
She began her career in the theater, including productions on Broadway.
Later, Pointer moved to Hollywood to act in films and on television.
She is the mother of Amy Irving, therefore making her the former mother- in- law of filmmakers Steven Spielberg and Bruno Barreto and the mother- in- law of documentary filmmaker Kenneth Bowser, Jr.
Baroness Gösta von dem Bussche-Haddenhausen
Baroness Gösta von dem Bussche- Haddenhausen( 26 January 1902 – 13 June 1996) was the mother of Prince Claus of the Netherlands, who was the Prince Consort of Queen Beatrix of the Netherlands, thus making her the mother- in- law of the former Dutch Queen.
She is also the paternal grandmother of King Willem- Alexander of the Netherlands, who is the current Dutch King.
Mehmed VI
Mehmed VI Vahideddin ("Meḥmed-i sâdisVahideddin", or), who is also known as "Şahbaba" (meaning "Emperor-father") among his relatives, (14 January 1861 – 16 May 1926) was the 36th and last Sultan of the Ottoman Empire, reigning from July 4, 1918 until November 1, 1922 when the Ottoman Empire dissolved after World War I and became the nation of the Republic of Turkey on October 29, 1923.
The brother of Mehmed V, he became heir to the throne after the 1916 suicide of Abdülaziz's son Şehzade Yusuf Izzeddin as the eldest male member of the House of Osman.
He acceded to the throne after the death of Mehmed V. He was girded with the Sword of Osman on 4 July 1918, as the thirty-sixth "padishah".
His father was Sultan
Abdulmejid I and mother was Gülüstü Hanım (1830 – 1865), an ethnic Abkhazian, daughter of Prince Tahir Bey Çaçba and his wife Afişe Lakerba, originally named Fatma Çaçba.
Mehmed was removed from the throne when the Ottoman sultanate was abolished in 1922.
Marian Shields Robinson
Marian Lois Robinson( née Shields; born July 29, 1937) is the mother of Michelle Obama, former First Lady of the United States, and Craig Robinson, a basketball executive, and the mother- in- law of former U.S. President Barack Obama.
Nazikeda Kadın (wife of Mehmed VI)
Nazikeda Kadın (born Princess Emine Marshan; 9 October 1866 – 4 April 1941), meaning 'One of delicate manners', known as the last empress, was the first wife and chief consort of the last sultan, Mehmed VI of the Ottoman Empire.
Nazikeda was born Emine in Sukhumi to a family of Abkhazian principality.
She was the daughter of Prince Hasan Bey Marshan and Fatma Horecan Hanım Aredba.
She came to Istanbul in 1876, and married Prince Mehmed Vahdeddin later known as Mehmed VI, in 1885.
She was the mother of three daughters, Fenire Sultan, Ulviye Sultan, and Sabiha Sultan.
After Mehmed's accession to the throne in 1918, she was given the title of 'Baş Kadın'.
He was deposed in 1922, and was sent into exile in 1924.
Nazikeda followed him, and remained with him until his death in 1926.
She spent her last years with her two daughters, Ulviye and Sabiha, and died at Cairo in 1941.

Question: Who is the mother-in-law of Nazikeda Kadın (Wife Of Mehmed Vi)?
Answer: Gülüstü