Background
She was born in Fano to Cardinal Mazarin"s eldest sister, also named Laura, and her husband Count Girolamo Martinozzi da Fano, a Roman noble of an ancient family.
She was born in Fano to Cardinal Mazarin"s eldest sister, also named Laura, and her husband Count Girolamo Martinozzi da Fano, a Roman noble of an ancient family.
She was one of the Mazarinettes: the seven nieces of the Cardinal, that he brought to France in order to arrange for them rich and politically advantageous marriages, including Hortense and Olympia Mancini. The wedding by proxy occurred at the Palace of Compiègne with the Count of Soissons acting as the Duke of Modena. They had three children, two of which survived infancy.
Maria Beatrice d"Este (1658–1718), who married the future King James II of England, and Francesco (1660–1694), who was the Duke of Modena and Reggio from 1662 to 1694.
The mentally and physically weak Francesco II came under the influence of his half-brother Cesare, and thus Laura moved to Rome with her mother. She was buried in the Este chapel of the Church of San Vincenzo at Modena.
Francesco d"Este, Hereditary Prince of Modena (1657–1658) died in infancy;
Maria Beatrice Anna Margherita Isabella d"Este (1658–1718) married James II of England and had issue. Known as Mary of Modena;
Francesco d"Este, Duke of Modena (1660–1694) married Margherita Maria Farnese, no issue.