She was the daughter of William Fiennes, 1st Viscount Saye and Sele, and his wife, the former Elizabeth Temple.
[1] She married Theophilus Clinton, 4th Earl of Lincoln, some time before 1619,[2] and their children were: In 1622, her mother-in-law's book, The Countess of Lincoln's Nursery, was dedicated to her.
[4] It praised the young countess for opting to breast-feed her own children.
[5] Thomas Dudley, who as the earl's steward had been involved in arranging her marriage to Clinton,[6] wrote to her in 1631, reporting on the experiences of settlers in New England, indicating that she was a popular figure with emigrants from Lincolnshire.
[5] After Bridget's death, the earl married a second time, to the widow Elizabeth Gorges,[7] who was a relation of his, but they had no children.