Obizzo III d'Este was the Marquess of Ferrara from 1317 until his death.
He was the son of Aldobrandino II d'Este and Alda Rangoni. Wikipedia
Born: July 14, 1294, Ferrara, Italy
Died: March 20, 1352 (age 57 years), Ferrara, Italy
Great-grandparent: Rinaldo d'Este
Parents: Aldobrandino II d'Este and Alda Rangoni
Children: Albert V d'Este, Aldobrandino III d'Este, Niccolò II d'Este, and more
Great grandchildren: Ercole I d'Este, Borso d'Este, Leonello d'Este, and more
Grandchildren: Niccolò III d'Este, Francesco I Gonzaga, Verde d'Este, and more