Complex sentence: Seely served as Under-Secretary of State for the Colonies in the ministry of Herbert Henry Asquith between 1908 and 1911, becoming a member of the Privy Council in 1909, and as Under-Secretary of State for War from 1911 to 1912.
Split into simpler sentences: Seely served as Under-Secretary of State for the Colonies in the ministry of Herbert Henry Asquith between 1908 and 1911, becoming a member of the Privy Council in 1909. Seely then served as Under-Secretary of State for War from 1911 to 1912.