Complex sentence: John Rawdon, 1st Earl of Moira (March 17 1720--June 20 1793) was an Irish peer, the only son of Sir John Rawdon, 3rd Baronet and Dorothy Levinge.
Split into simpler sentences: John Rawdon, 1st Earl of Moira (March 17 1720--June 20 1793) was an Irish peer. He was the only son of Sir John Rawdon, 3rd Baronet and Dorothy Levinge.