Complex sentence: Tibbot na Long Bourke (1567--18 June 1629), aka Theobald Bourke, was a clan chief of the MacWilliam Burkes of County Mayo in Ireland, was a Member of the Irish House of Commons and was later created the first Viscount Mayo.
Split into simpler sentences: Tibbot na Long Bourke (1567--18 June 1629), aka Theobald Bourke, was an Irish peer and parliamentarian. A prominent member of the MacWilliam Burkes of County Mayo, Tibbot was a Member of the Irish House of Commons and was later created the first Viscount Mayo.