Complex sentence: O'Brien was invested as a knight on the 1st July 1604 in Leixlip, Co. Kildare, Ireland and held the office of MP for Co. Clare from 1613 to 1614.
Split into simpler sentences: O'Brien was invested as a knight on the 1st July 1604 in Leixlip, Co. Kildare, Ireland. Daniel O'Brien held the office of member of parliament (M.P.) for Co. Clare from 1613 to 1614.