Sir John Trevelyan, 4th Baronet British politician (1735-1828) (1735–1828) Parents Julia Calverley Sir George Trevelyan, 3rd Bt. Children Walter Trevelyan George Trevelyan Sir John Trevelyan, 5th Baronet Siblings Susanna Trevelyan Frances Trevelyan Walter Trevelyan Julia Trevelyan Charlotte Trevelyan Partners Louisa Marianne Simond
