Baby joy for William Tyrrell’s mother: Who is mum, foster mother, foster dad?

William Tyrrell’s mother has welcomed another child, some eight years after her eldest son disappeared.

The biological mother of William, who cannot be identified for legal reasons, posted an image of the baby with the child’s two surviving older brothers just before Christmas last year.

The stay-at-home mum, from Sydney’s north-west, is the mother of two boys, who remain in her care, and William’s older sister, who is in foster care. 

Friends commented on the new child’s arrival, describing the baby as ‘absolutely precious’. 

The new baby, who is now about six months old, was born more than a decade after she gave birth to William on her 23rd birthday in June 2011.

William, who vanished without a trace while in the care of his foster parents at Kendall on the NSW mid-north coast in September 2014, would have celebrated his 12th birthday this week, just as his mum turns 35.

William Tyrrell’s biological mother has welcomed another child. She gave birth last December

The new baby (above with their two older brothers) was born in December

The new baby (above with their two older brothers) was born in December

The biological mother of William Tyrrell (pictured, above in 2012) has given birth to a new baby eight years after their missing big brother vanished without a trace

The biological mother of William Tyrrell (pictured, above in 2012) has given birth to a new baby eight years after their missing big brother vanished without a trace

The long-awaited child arrived after a year in which William’s birth mother faced charges relating to a failed relationship. 

A man took out an AVO against William’s mother after she assaulted him at a bus stop. 

The birth mother pleaded guilty to hitting the man at a bus station on Argyle Street, Parramatta, on Friday, September 30, 2022.

A two-year AVO taken out by police on behalf of the man prohibits her from assaulting, threatening him, or stalking, harassing or intimidating anyone involved in a relationship with him.

In a bombshell development in William’s case, detectives from the NSW Police Strike Force Rosann, who believe William likely died by accident on September 12, 2014, this week referred a brief of evidence about William’s foster mother to the NSW Director of Public Prosecutions. 

In the brief, detectives claim there is enough evidence to charge William’s foster mother with perverting the course of justice and interfering with a corpse.

William was removed from his biological mother and father at just seven months, in early 2012. 

Above is the last known photo taken of William Tyrrell on his foster grandmother's verandah in September, 2014

Above is the last known photo taken of William Tyrrell on his foster grandmother’s verandah in September, 2014

By April 2012, parental responsibility for William was placed in the hands of the then  Family And Community Services (FACS) minister until William turned 18. 

The couple who fostered William became carers in the NSW fostering system overseen by FACS in March 2012.

Final orders for William being in the care of the FACS (since absorbed into the Department of Justice & Communities NSW) were made in 2013.

William lived with his older sister in a comfortable house owned by the foster parents, both well-educated professionals in their 50s, on Sydney’s leafy north shore.

On September 11, 2014, they made last-minute plans to get William and his sister out of child care, place their cats in care, and dive to stay at the children’s foster grandmother’s house in Kendall, four hours north of Sydney. 

In a 2016 interview with then Task Force Rosann commander Gary Jubelin, the foster father said William was ‘a flamboyant little boy … full of beans’ but ‘wary of strangers’.

William, in his fireman's hat, is seen with with his biological family at a picnic not very long before he disappeared from his foster parents' care at Kendall, NSW

William, in his fireman’s hat, is seen with with his biological family at a picnic not very long before he disappeared from his foster parents’ care at Kendall, NSW

‘He’d cower behind you, so … we taught him, you know like ‘stranger danger’. He’d always stay well within, you know, eyesight. He wanted to see where you were.

‘He’d certainly be checking over his shoulder just to make sure that you were there or you weren’t far away.’

William was also a ‘non-stop’ child with discipline problems, such as biting other children at child care. 

The foster mother said William was a ‘very unsettled’ child to care for, and although he bonded with his foster father, his ‘behavioural issues’ with her continued for some time. 

William vanished on a Friday morning, sparking a massive search. 

However, his status as a foster child was initially obscured by NSW legislation prohibiting the publicity of the out-of-home care status of children.

The identities of the foster parents can also not be publicly revealed. 

William's biological father (above) told an inquest that child care authorities had  failed in their 'duty of care to keep William safe until he was 18'

William’s biological father (above) told an inquest that child care authorities had  failed in their ‘duty of care to keep William safe until he was 18’ 

William's foster mother, 57 (right) is the subject of a police brief of evidence to the NSW DPP this week with police recommending she be charged with interfering with a corpse and perverting the course of justice

William’s foster mother, 57 (right) is the subject of a police brief of evidence to the NSW DPP this week with police recommending she be charged with interfering with a corpse and perverting the course of justice

In 2016, William’s biological mother was canvassed about her views on revealing William’s past as a fostered child and she did not oppose publication of the fact that William ‘was in foster care at the time of his disappearance’.

The NSW Supreme Court ruled it was appropriate that William’s foster status be made public, after children’s advocate Allanna Smith won a legal battle against FACS.

William’s biological parents testified at a NSW Coroner’s inquest into William’s disappearance in 2019.

William’s biological father revealed his anguish about the department’s supposed neglect in protecting his son.

‘Authorities f***ed up. The minister had a duty of care to keep William safe until he was 18. That was not the case at all,’ he said.

William’s biological mother spoke out about William during a intensity search for the three-year-old’s remains in late 2021 at the mid north coast property of the child’s foster grandmother. 

‘It’s been years actually. Can you imagine what I’ve been through?’  William’s mother said. 

‘I’m a mess, how do you think I’m doing?’

Daily Mail Australia revealed exclusively last year that after eight years of torment and drug addiction, William’s dad had finally accepted his boy was dead.

Two weeks out of rehab and staying on a friend’s couch, he was determined to stay clean from drugs and turn his life around.

William’s birth family have been approached for comment.

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