Original: Robert Arthur Talbot Gascoyne-Cecil, 3rd Marquess of Salisbury, KG, GCVO, PC (3 February 1830   22 August 1903), known as Lord Robert Cecil before 1865 and as Viscount Cranborne from 1865 until 1868, was a British statesman and thrice Prime Minister, serving for a total of over 13 years.
Simplified: Robert Arthur Talbot Gascoyne-Cecil, 3rd Marquess of Salisbury (February 3, 1830 - August 22, 1903) was a Prime Minister of the United Kingdom. He was known as Lord Robert Cecil before 1865 and as Viscount Cranborne from 1865 until 1868.