Complex sentence: Vice Admiral Sir William Rooke Creswell, KBE, KCMG, RAN (20 July 1852-20 April 1933) was a Royal Navy Admiral who is considered the "father of the Royal Australian Navy".
Split into simpler sentences: Vice Admiral Sir William Rooke Creswell, KBE, KCMG, RAN (20 July1852-20 April1933) was a Royal Navy Admiral. He is considered the "father of the Royal Australian Navy".