Julia Warhola
Julia Warhola( November 20, 1891 — November 22, 1972) was the mother of the American artist Andy Warhol.
Ottaviano Riario
Ottaviano Riario (September 1479 – 1523) was an Italian condottiero and Lord of Imola and Forlì.
Despite his nominal leadership, the real power lay with his mother Caterina Sforza.
Kekuʻiapoiwa II
Kekuʻiapoiwa II was a Hawaiian chiefess and the mother of the king Kamehameha I.
Caterina Sforza
Caterina Sforza (1463 – 28 May 1509) was an Italian noblewoman along with the Countess of Forlì and Lady of Imola, firstly with her husband Girolamo Riario, and after his death as a regent of her son Ottaviano.
Caterina was the illegitimate daughter of Galeazzo Maria Sforza, Duke of Milan and Lucrezia, the wife of the courtier Gian Piero Landriani, a close friend of the Duke.
She was raised in the refined Milanese court.
The descendant of a dynasty of noted condottieri, from an early age, Caterina distinguished herself through her bold and impetuous actions taken to safeguard her possessions from possible usurpers and to defend her dominions from attack, when they were involved in political intrigues.
In her private life Caterina was devoted to various activities, including experiments in alchemy and a love of hunting and dancing.
She had many children, but
only the youngest, Captain Giovanni dalle Bande Nere, inherited his mother's forceful, militant personality.
Caterina's resistance to Cesare Borgia meant she had to face his fury and imprisonment.
Once she gained her freedom in Rome, she led a quiet life in Florence.
In the final years of her life, she confided to a monk: "Se io potessi scrivere tutto, farei stupire
il mondoIf
I could write everything that happened, I would shock the world").
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Fatima bint Mubarak Al Ketbi is the third wife of Sheikh Zayed bin Sultan Al Nahyan, the founder and inaugural president of United Arab Emirates, and late emir( ruler) of Abu Dhabi.
She is referred to as the mother of sheikhs and as the Mother of the UAE.
Minamoto no Chikako
She was the mother of Prince Morinaga.
Somnjalose Simelane
Somnjalose Simelane was the mother of King Sobhuza I and wife of King Ndvungunye.
Lord Edmund Howard
Lord Edmund Howard( – 19 March 1539) was the third son of Thomas Howard, 2nd Duke of Norfolk, and his first wife, Elizabeth Tilney.
His sister, Elizabeth, was the mother of Henry VIII's second wife, Anne Boleyn, and he was the father of the king's fifth wife, Catherine Howard.
His first cousin, Margery Wentworth, was the mother of Henry's third wife, Jane Seymour.
Trinidad Tecson
Trinidad Perez Tecson (November 18, 1848 – January 28, 1928), known as the "Mother of Biak-na-Bato" and "Mother of Mercy", fought to gain Philippines independence.
She was given the title "Mother of Biak-na-Bato" by Gen. Emilio Aguinaldo.
She was also cited as the "Mother of the Philippine National Red Cross" for her service to her fellow Katipuneros.

Question: What is the place of birth of Ottaviano Riario's mother?
Answer: Milan