sentences:  On the foundation of the Irish Free State, he became a member of the first Senate in December 1922 and served until his resignation in January 1926.He was nominated to the Senate by the President of the Executive Council, W. T. Cosgrave, as part of assurances during the 1921 negotiation of the Anglo-Irish Treaty given by Arthur Griffith to southern unionists and the British government that unionists would have adequate representation in the new parliament to safeguard their interests.Lord Dunraven spent much of his leisure time hunting wild game in various parts of the world.