Henry Morton Stanley the source of the Nile. Between 1875 and 1876 Stanley succeeded in the first part of his objective, establishing that Lake Victoria had only a single outlet – the one located by John Hanning Speke on 21 July 1862. If this was not the Nile's source, then the massive northward flowing river called by Livingstone, the Lualaba, and mapped by him in its upper reaches, might flow on north to connect with the Nile via Lake Albert and thus be the primary source. It was therefore essential that Stanley should trace the course of the Lualaba downstream (northward) from Nyangwe,
John Lee Lee the will of his uncle Major Edward Lee (d.17 January 1819) of Orleigh, he inherited several estates including Orleigh. Under the terms of the bequest he adopted the surname Lee by royal licence dated 21 March 1825. He let Orleigh to his brother-in-law William Speke of Jordans near Ilminster (father of the River Nile explorer John Hanning Speke (1827–1864)) and made his own residence at Dillington. In 1830 he was elected one of the Members of Parliament for Wells, and held the seat until 1837. Lee married twice. His first marriage was in 1834 to Jessy Edwards-Vaughan (died 1836), the