Child Villiers is the surname of a British aristocratic family (Child was added to the Villiers name by the 5th earl by royal licence in 1819, as noted in his article).
Persons bearing this name include:
Francis Child Villiers (1819-1862), British politician, son of the 5th earl
George Child Villiers, 5th Earl of Jersey (1773-1859), British courtier and politician
George Child Villiers, 6th Earl of Jersey (1808-1859)
George Child Villiers, 8th Earl of Jersey (1873-1923), British politician
George Child Villiers, 9th Earl of Jersey (1910-1998)
George Child Villiers, Viscount Villiers (1948-1998), son of the 9th earl
Sarah Villiers, Countess of Jersey (1785-1867), wife of the 5th earl
Victor Child Villiers, 7th Earl of Jersey (1845-1915), British banker, politician and Governor of New South Wales
Virginia Cherrill (1908-1996), American actress who married the 9th earl and became Virginia Child-Villiers, Countess of Jersey
William Villiers, 10th Earl of Jersey (born 1976), British producer, actor and writer