sentences:  Delaval married twice but his only son predeceased him aged just 19, and the baronetcy and baronies became extinct on his death in 1808.He was buried in St Paul's Chapel, Westminster Abbey.He left his second wife Susannah Elizabeth a life interest in the Ford estate, after which it was to pass to his granddaughter Susan, and bequeathed his estates of Seaton Delaval and Doddington to his brother Edward Hussey Delaval (1729-1814).