Catherine Herbert, Countess of Pembroke and Montgomery (born Yekaterina Semyonovna Vorontsova; Russian: Екатерина Семёновна Воронцова; 24 October 1783 – 27 March 1856) was a Russian noblewoman who married the 11th Earl of Pembroke.
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Early life
She was born in Saint Petersburg, the daughter of Ekaterina Alekseevna Seniavina and Count Semyon Vorontsov (sometimes spelt Woronzow), the Russian Ambassador in Britain from 1785 to 1806. She was the only sister of Prince Mikhail Vorontsov, Viceroy of New Russia and Caucasus.
She was a niece of Imperial Chancellor Alexander Vorontsov, Elizaveta Vorontsova and Princess Dashkova, a friend of Catherine the Great and a conspirator in the coup d'état that deposed Tsar Peter III and put his wife on the throne.
Personal life
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.



