Ferrante Orsini 
Ferrante was born in 1623. Ferrante's father was Pietro Orsini and his mother is Dorotea Orsini. His paternal grandparents are Ostilio Orsini and Diana Del Tufo. He had a sister named Costanza. He was the older of the two children. He died at the age of 37 in 1660.General Notes
SOURCES: "Ancestors/Descendants of the Royal Lines" hhtp://www.geneastar.org.
They had two sons named Benedetto XIII and Domenico.
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Children
Benedetto XIII Orsini
Benedetto XIII was born on February 2nd, 1649 in Gravina. He died at the age of 81 on February 21st, 1730 in Rome, Italy. He was buried in Chiesa di Santa Maria sopra Minerva, Rome, Italy.
Domenico Orsini
Domenico was born on December 13th, 1652. He died at the age of 53 on March 2nd, 1706.