Career
Together the couple had four children. They had two children. Beauclerk has been romantically linked to the nineteenth-century writer Mary Shelley.
He was known to have lived at Ardglass Castle in County Down, Ireland, and Saint Leonard Lodge at Horsham, West Sussex, England.
As an Member of Parliament Beauclerk supported the radical causes of the day, including the abolition of slavery and the discontinuation of tithes. He believed in a small, fixed duty on corn, and sought Church reform and an end to taxes on knowledge.