Horatio Walpole, 1st Earl of Orford, was born 12 June 1723 to Horatio Walpole (1678-1757) and Mary Magdalen Lombard (c1695-1783) and died 24 February 1809 of unspecified causes. He married Rachel Cavendish (1727-1805) 12 May 1748 .
|Offspring of Horatio Walpole, 1st Earl of Orford and Rachel Cavendish (1727-1805)|
|Horatio Walpole, 2nd Earl of Orford (1752-1822)||June 1752||15 June 1822||Sophia Churchill (c1745-1797) Sophia Churchill (c1745-1797) Catherine Tunstall (-1807)|
|Mary Walpole (c1757-)|
|George Walpole (1758-1835)|