thepeerage.com shows the line of inheritance from George Baillie Hamilton back to Richard Pepper Arden -George Baillie Hamilton m. Katharine Augusta Millicent SaltingKatharine's mother was Helen Katharine WarrenderHelen's mother was the Hon. Frances Henrietta Arden Frances b.c1792 was the daughter of Richard Pepper Arden and Anne Dorothea Wilbraham-BootleIf Frances was born c1792 though, that means her father Richard can't be the one born 1792, he must be the earlier one (with parents John Arderne and Sarah Pepper) I guess the later Richard is her brother??