I think I like the first one best. I'm Venerable AND Festive!

My Peculiar Aristocratic Title is: Venerable Lady Katherine the Festive of London by the Bow Get your Peculiar Aristocratic Title

My Peculiar Aristocratic Title is: Duchess Katherine the Intransigent of Lower Bumhampton Get your Peculiar Aristocratic Title

My Peculiar Aristocratic Title is: Imperial Majesty Katherine the Fortunate of Bartonhurst in the River Get your Peculiar Aristocratic Title