Complex sentence: Lord Frederick Charles Cavendish (30 November 1836--6 May 1882) was an English Liberal politician and "protégé" of the Prime Minister, William Ewart Gladstone, who was appointed to the post of Chief Secretary for Ireland in May 1882.
Split into simpler sentences: Lord Frederick Charles Cavendish (30 November 1836--6 May 1882) was an English Liberal politician and "protégé" of the Prime Minister, William Ewart Gladstone. Cavendish was appointed to the post of Chief Secretary for Ireland in May 1882.