In 1808, she married lieutenant general
George Herbert, 11th Earl of Pembroke as his second wife and became Countess of Pembroke, the
châtelaine of
Wilton House,
Wiltshire. From 1807 until his death in 1827, he served as
Governor of Guernsey. Together, they were the parents of: • Lady Elizabeth Herbert (1809–1858), who married
Richard Meade, 3rd Earl of Clanwilliam, had issue. •
Sidney Herbert, 1st Baron Herbert of Lea (1810–1861), who married
Mary Elizabeth Ashe à Court-Repington, had issue. • Lady Mary Herbert (1813–1892), who married
George Brudenell-Bruce, 2nd Marquess of Ailesbury, no issue. •
Lady Catherine Herbert (1814–1886), who married
Alexander Murray, 6th Earl of Dunmore, had issue. • Lady Georgiana Herbert (1817–1841), who married
Henry Petty-Fitzmaurice, 4th Marquess of Lansdowne, no issue. • Lady Emma Herbert (1819–1884), who married
Thomas Vesey, 3rd Viscount de Vesci, had issue. Lady Pembroke died on 27 March 1856. Upon her husband's death, the earldoms were inherited by his son from his first marriage,
Robert Herbert. The current
Earl of Pembroke, however, descends from Catherine's son
Sidney his second son who inherited the title in 1895. ==References==