Complex sentence: In 1661 Perceval was chosen as a Knight of the Shire for the County Cork, and served in the Irish Parliament which in 1662 concluded the Act of Settlement in Ireland, which settled the outstanding constitutional issues for the next century or more.
Split into simpler sentences: In 1661 Perceval was appointed Knight of the Shire for County Cork, and served in the Irish Parliament. In 1662 the parliament concluded the Act of Settlement in Ireland, which initiated the settling of outstanding constitutional issues for the next century or more.