Both Fleetwood and Hesketh are Lancashire names. Roger Fleetwood-Hesketh was an MP for Southport in the 1950's. C H Fleetwood-Hesketh was his father and was a Major in the British Army. He lived from 1871 to 1947 and married Anne Dorothea Brocklebank who died in the sinking of the liner SS City of Benares when it was torpedoed in 1940. I hope this gives you a starting point for your research.