Complex sentence: On 28 June 2008, David Marshall MP announced he would step down because of a stress-related illness and was appointed Steward of the Manor of Northstead on 30 June 2008, thus effectively resigning from the Commons.
Split into simpler sentences: On 28 June 2008, David Marshall MP announced he would step down because of a stress-related illness. Marshall was appointed Steward of the Manor of Northstead on 30 June 2008, thus effectively resigning from the Commons.