sentences:  His mother was Susanna, daughter of the Reverend James Bond of Ashford, Kent, England.His younger brother General John Jacob was an Indian Army Officer who created Jacob's Horse and was accorded almost mythical status in Sind Province.Jacob was headmaster of Bromsgrove Grammar School (1832–1842), a principal of the Collegiate School in Sheffield (1843–1853) and headmaster of Christ's Hospital, then in the city of London, from 1853 until his resignation from that post in 1868.