A Shocking Delight tells the story of Lucy Potter and David Kerslake.
It opens on 13th May 1817.

David Kerslake, Earl of Wyvern.

Lucinda (Lucy) Potter, b 1796.
parents Alice Stanley (d Mar 1816) and Daniel Potter.
He's a self-made man, a foundling, now a wealthy merchant.
She was daughter of Viscount Blount. Dowry 9,000.

Potter married Charlotte Johnson, doctor's widow with 2 daughters.

Alice's sister is Lady Caldross, daughter Clara, son, Godfrey, surname Fynch.

More info on the book is available here: A Shocking Delight