John Hanning Speke arrange a better relationship for Mere with another man, without success it seems. Finally, given permission by Mutesa in June 1862 to leave, Speke then travelled down the Nile now reunited with Grant. Because of travel restrictions placed by the local chieftains, slave raiding parties, tribal wars and the difficulty of the terrain, Speke was not able to map the entire flow of the Nile from Lake Victoria north. Why he did not make more efforts to do so is not clear, but the enormous hardships of the journey must have played a large role. By January 1863 Speke and
Manor of Orleigh assumed the name Lee, as he was required to do under his uncle's will, and purchased as his residence Dillington Manor near Ilminster in Somerset. He let Orleigh to his brother-in-law William Speke of Jordans near Ilminster, Somerset. Speke had seven children, all but one daughter having been born at Orleigh, including his eldest son the famous explorer and discoverer of the source of the River Nile, John Hanning Speke (1827–1864). The Speke family gave up their tenancy of Orleigh in 1845 and Mr Lee next let the house to Col. Bayly from 1845 to 1856 and then to Capt.