Melbourne billionaire Heloise Pratt has been joined by her wealthy siblings, Anthony Pratt and Fiona Geminder, in a claim to ensure better oversight of future distributions from a trust shared with her former husband. Melbourne billionaire Heloise Pratt has been joined by her wealthy siblings, Anthony Pratt and Fiona Geminder, in a claim to ensure better oversight of future distributions from a trust shared with her former husband. National / Victoria Sydney Morning Herald – Latest News