She married the future Earl of Salisbury on 1 December 1608, and became countess when he inherited the earldom on his father's death in 1612. Their children, several of whom died in infancy, were:[1]
After Salisbury's retirement from public life, they made their home at Hatfield House.[4] The countess's portrait was painted by Sir Peter Lely (some time after his arrival in England in 1641), and is held at Burghley House.[5]
^G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume XII/2, page 67.