Ardashir is also known as ArdashÄ `` r-i PÄ pagÄ n `` Ardashir , son of PÄ paÄ '' , and other variants of his name include Latinized Artaxares and Artaxerxes . Ardashir ( ArÄ ` axÅ Ä `` r from Middle Persian and Parthian ArtaxÅ aÎ ra , Pahlavi Ê 1\/4 rthÅ tr , `` Who has the Divine Order as his Kingdom '' ) is also known as ArdeshÄ `` r-i PÄ pagÄ n `` Ardashir , son of PÄ paÄ '' , and other variants of his name include Latinized Artaxares and Artaxerxes .