The manor belongs to Sir Robert Peel, Bart. Peelfold, where the first Sir Robert Peel spent his early years, is in Knuzden-Brook. Bellthorn House, Stanhill House, Knuzden Hall, and Mount Pleasant are chief re-sidences.
GENUKI: Oswaldtwistle, Lancashire genealogy
I always thought his family lived only at Peel Fold, but your Dad may be right with a Stanhill connection.
In the C18th a Gothic horror writer lived in Stanhill Hall, but whose name escapes me.