Complex sentence: General Sir John Doyle Bt, GCB, KCH, (17568 August 1834) was an officer in the British Army which he joined in March 1771 and went on to serve with distinction in the American War of Independence and the French Revolutionary Wars.
Split into simpler sentences: General Sir John Doyle, Bt, GCB, KCH (17568 August 1834) was an officer in the British Army, which he joined in March 1771. He served with distinction in the American War of Independence and the French Revolutionary Wars.