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.
Tiye
Tiye (c. 1398 BC – 1338 BC, also spelled Taia, Tiy and Tiyi) was the daughter of Yuya and Tjuyu.
She became the Great Royal Wife of the Egyptian pharaoh Amenhotep III.
She was the mother of Akhenaten and grandmother of Tutankhamun.
In 2010, DNA analysis confirmed her as the mummy known as "The Elder Lady" found in the tomb of Amenhotep II (KV35) in 1898.
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.
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.
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.
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.
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.
Amenhotep III
Amenhotep III (Hellenized as Amenophis III; Egyptian Amāna-Ḥātpa;
meaning "Amun is Satisfied"), also known as Amenhotep the Magnificent, was the ninth pharaoh of the Eighteenth Dynasty.
According to different authors, he ruled Egypt from June 1386 to 1349 BC, or from June 1388 BC to December 1351 BC/1350 BC, after his father Thutmose IV died.
Amenhotep III was Thutmose's son by a minor wife, Mutemwiya.
His reign was a period of unprecedented prosperity and artistic splendour, when Egypt reached the peak of its artistic and international power.
When he died in the 38th or 39th year of his reign, his son initially ruled as Amenhotep IV, but then changed his own royal name to Akhenaten.
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.
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.

Question: Who is Tiye's mother-in-law?
Answer: Mutemwiya