Sir John Riddell, 9th Baronet politician (1768–1819) Parents Jane Buchanan Sir John Riddell of that Ilk, 6th Bt. Children Charles Riddell Sir Walter Riddell, 10th Baronet Henry Philip Archibald Riddell Jane Riddell John Charles Riddell Charlotte Riddell Emily Riddell Siblings Sir James Buchanan Riddell of that Ilk, 8th Bt. Sir Walter Riddell of that Ilk, 7th Bt. Partners Lady Frances Marsham