The Breeder of Finstall Sultan was J B BROOKS Esq. Finstall Park, Bromsgrove

and by googling

John Boultbee BROOKS was born in Hinkley, Leics in 1846. In 1865 he set up a leather goods business in Great Charles Street, Birmingham under the name of JB Brooks & Co. He specialised in horses harnesses, but in 1882, he patented a leather bicycle saddle which became highly popular and successful. The family lived at Finstal Park, Nr Bromsgrove Worcs. The Brooks family interest was sold to Raleigh Cycle Co. in 1958.