William Tyrrell s biological mother is pregnant with her sixth child and has also hinted on one of her social media pages that she may be getting married.
The problems that beset the William Tyrrell case go to the heart of the foster parent system.
On one side, there s a wealthy, couple in a $4m home, on the other side a bogan couple.
William Tyrell s mother has welcomed another child, giving birth last December just over eight years after their missing big brother William disappeared at the age of three.
William Tyrrell s foster mother fought to keep secret the truth about the missing toddler, arguing that revealing he was a foster child would intensify publicity and force her family into hiding.