Francesco I Crispo
Francesco I Crispo, Patrizio Veneto (died 1397) was the tenth Duke of the Archipelago through his marriage and the will of Venice.
Francesco Crispo was probably born in Verona.
He was Lord of Milos, thus a vassal to the Duke of Naxos, as well as his cousin through his marriage to Fiorenza Sanudo, a grand-daughter of the Duke Guglielmo Sanudo.
Crispo might also have been a pirate.
He was sent by the Republic of Venice to Naxos in March 1383 for concern that the then Duke Niccolò III dalle Carceri was incompetent.
The Republic suffered from predation by the Ottoman Empire in the Aegean.
On the island, a hunt was suggested.
Officially, on the way back Niccolo III, escorted by Crispo's men was attacked by rebels or thieves.
He fell off his horse and died.
To quench any revolt, Francesco Crispo had to assume power.
The Republic of Venice quickly sent its congratulations.
Andros was another problem.
It belonged to Maria Sanudo, sister of the late duke.
When Francesco gave as a dowry Andros and Syros to his own daughter Pétronilla, Maria Sanudo called for justice in Venice.
With his wife he had eight children:
Irene Baker
Edith Irene Bailey Baker( November 17, 1901 – April 2, 1994) was an American politician and a United States Representative from Tennessee.
She was the widow of Howard Baker Sr. and the stepmother of Howard Baker Jr.
Giacomo Crispo, Governor of the Duchy of the Archipelago
Giacomo Crispo, Bastardo di Crispo( or" Jacopo"; – 1505) was a governor of the Duchy of the Archipelago in 1494.
He was the illegitimate son of William II Crispo, fourteenth Duke of the Archipelago, by an unknown woman.
He married NN and had a son:
Francesco II Crispo
Francesco II Crispo( died 1463) was the sixteenth Duke of the Archipelago, ruling for less than one year in 1463 when he succeeded his uncle William II Crispo( r. 1453- 63).
He was succeeded in 1463 by his son Giacomo III Crispo under the regency of his widow Petronilla Bembo.
Henriette Feuerbach
Henriette Feuerbach( 13 August 1812 – 5 August 1892) was a German author and arts patron.
She was the wife of Joseph Anselm Feuerbach and the stepmother of painter Anselm Feuerbach, whom she supported in his art.
William II Crispo
William II Crispo ("Guglielmo" in Italian; 1390–1463) was the fifteenth Duke of the Archipelago, from 1453 to 1463.
He was the son of the tenth Duke Francesco I Crispo and wife
Fiorenza I Sanudo, Lady of Milos.
May Green Hinckley
May Green Hinckley( May 1, 1881 – May 2, 1943) was the third general president of the Primary of The Church of Jesus Christ of Latter- day Saints( LDS Church) from 1940 until her death.
She was the stepmother of Gordon B. Hinckley, fifteenth president of the LDS Church.
Francesca Morosini
Francesca Morosini( fl. 1454), was a Duchess consort of Naxos by marriage to John II Crispo.
She served as regent of Naxos during the minority of her son Giacomo II Crispo from 1433.
She was described as a" masterful woman", who continued to influence in the affairs of state during the reign of her son and grandson until the accession of William II to the throne in 1453.
In 1447, she claimed the post of regent for her grandson, but Niccolo of Syra and Santorin and William of Anaphe had her imprisoned and resumed regency with the support of Venice.
When Niccolo died, Francesca Morosini, the archbishop and the Naxians elected his son Francesco in his place in the regency and successfully asked Venice to ratify it.
After the succession of William II in 1453, the dowager duchess Francesca retired to Venice after having founded the church and monastery of St Antonio dedicated to the Knights of St John in 1452.
Jane Wigham
Jane Wigham( née Smeal; 1801–1888) was a leading Scottish abolitionist.
She was the stepmother of Eliza Wigham and the second wife of John Wigham.
Dorothy Granger
Dorothy Karolyn Granger( November 21, 1911 – January 4, 1995) was an American actress best known for her roles in short subject comedies in Hollywood.
She was also the stepmother of film maker and former record producer Anthony J. Hilder.

Question: Who is the mother of William Ii Crispo?
Answer: Fiorenza Sanudo