 Alexander Augustus Norman Dudley Pentland was born in Maitland , New South Wales , on 5 August 1894 . His father Alexander was Irish , and his mother Annie Norma ( née Farquhar ) was Scottish . Educated at The King 's School , Sydney , and Brighton Grammar , Melbourne , Pentland went on to study dairy farming at Hawkesbury Agricultural College , and later worked as a jackaroo . His father was a physician who joined the Australian Imperial Force ( AIF ) during World War I and served as a major in the Australian Army Medical Corps . 
