Olimpia Ippolita I Ludovisi (December 24, 1663 – December 29, 1733) was the Princess of Piombino

Principality of Piombino

The Principality of Piombino was a state of Italy, which existed from 1399 to 1805, when Napoleon absorbed it into the Principality of Lucca and Piombino...

 from 1701 until her death. She was born in Cagliari

Cagliari

Cagliari is the capital of the island of Sardinia, a region of Italy. Cagliari's Sardinian name Casteddu literally means castle. It has about 156,000 inhabitants, or about 480,000 including the outlying townships : Elmas, Assemini, Capoterra, Selargius, Sestu, Monserrato, Quartucciu, Quartu...

, the youngest daughter of Niccolò I Ludovisi.

On November 27, 1700 she inherited the family fiefs from her sister Olimpia

Olimpia Ludovisi

Olimpia Ludovisi was the eldest daughter of Niccolò Ludovisi and his third wife Costanza Pamphili. Through her mother she was the grand-niece of Pope Innocent X. Her paternal grandparents were Orazio Ludovisi and his wife Lavinia Albergati...

, including Piombino

Piombino

Piombino is an Italian town and comune of circa 35,000 inhabitants in the province of Livorno . It lies on the border between the Ligurian Sea and the Tyrrhenian Sea, in front of Elba Island and at the northern side of Maremma.-Overview:...

. On 19 October 1681 she married Gregorio II Boncompagni

Gregorio II Boncompagni

Gregorio II Boncompagni was an Italian nobleman and the 5th Duke of Sora. He was the grand-nephew of Pope Gregory XIII...

, 5th duke of Sora and Arce

Arce

Arce is a comune in the province of Frosinone, in the region of Lazio, Italy. it is an agricultural center located on a hill overlooking the Via Casilina, in the middle valley of the Liri.-History:...

, they had the following children:

• Hugo (1684–1686) died young
• Maria Eleonora (1686–1745), Princess of Piombino, married Antonio Boncompagni
• Constance (1687–1768), married Vincenzo Giustiniani, Prince of Bassano
• Maria Teresa (1692–1744), married Urbano Barberini, Prince of Palestrina
• Giulia (1695–1751), married Marco Ottoboni, Duke of Fiano
• Anna Maria (1696–1752), married Gian Vincenzo Salviati, Duke of Giuliano

Ippolita was outlived by her five daughters. The Principality of Piombino was then inherited by the members of the Boncompagni family, through her eldest daughter Maria Eleonora.