His father George married into the highly influential Mallory family.
Her father George has worked as the manager of the stable at Horseland for over ten years.
His father George, a consultant engineer, went out to Kuwait in 1978.
First he told how his father George advised him not to go into politics unless his mortgage was paid off.
His father George played 5 games with Fitzroy in 1966.
Later that year his father George died, leaving a legacy of £1,500 to Joseph.
After two decades out of public view, his father George re-emerged during the campaign.
His mother Randy divorced his father George when he was eight.
However their father George was bilking people out of their life savings.
Mann started work at Houghton's with his father George in 1922.