Lady Mary Cavendish- Bentinck [née Lowther] (d. 1862)
The daughter of William Lowther, first earl of Lonsdale; in 1820 she married Lord
Frederick Cavendish-Bentinck, son of the third duke of Portland.
The daughter of William Lowther, first earl of Lonsdale; in 1820 she married Lord
Frederick Cavendish-Bentinck, son of the third duke of Portland.