The succession plans of Melbourne’s billionaire Fox family are in disarray after elder son Peter abruptly resigned this week.

The oldest son of the trucking magnate went on temporary leave earlier this year, but staff were told on Wednesday that he would be retiring immediately.

The succession plans of Melbourne’s billionaire Fox family are in disarray after elder son Peter abruptly resigned this week.

The succession plans of Melbourne’s billionaire Fox family are in disarray after elder son Peter abruptly resigned this week.

The succession plans of Melbourne’s billionaire Fox family are in disarray after eldest son Peter abruptly resigned this week.