George Trevelyan (1764-1827) (1764–1827) Parents Louisa Marianne Simond Sir John Trevelyan, 4th Baronet Children John Trevelyan unknown daughter Trevelyan Charles Edward Trevelyan, 1st Baronet Frances Agnes Trevelyan William Pitt Trevelyan Harriet Louisa Trevelyan Edward Otto Trevelyan George Trevelyan Henry Willoughby Trevelyan Siblings Sir John Trevelyan, 5th Baronet Walter Trevelyan Partners Harriet Neave