Original: Family life In 1749 Grenville married Elizabeth Wyndham ( before 1731-5 December 1769 ) , daughter of Sir William Wyndham , by whom he had seven children : Charlotte Grenville ( c. 1754-29 September 1830 ) , who married Sir Watkin Williams-Wynn , 4th Bt .
Simplified: In 1749 Grenville married Elizabeth Wyndham ( before 1731-5 December 1769 ) , daughter of Sir William Wyndham .