Warning - this story may be distressing to some readers
Police believe the deaths of Henry Shepherdson, 38, and his nine-month-old daughter Kobi on Wednesday were a murder-suicide, with witnesses reporting they saw the man jump from the tourist attraction in Williamstown.
Onlookers tried to help baby Kobi following the fall but paramedics who arrived about 4.30pm found her unresponsive and were unable to revive her.
Kobi Shepherdson died in a suspected murder-suicide.(Nine)
The man was found dead.
A police statement said early investigations showed a history of domestic violence between Mr Shepherdson and the mother of Kobi.
A case against Shepherdson for alleged assault, and for allegedly threatening his partner and baby last year was dropped.
Her name was Kobi Shepherdson She died on Wednesday
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Salta al vacío con su hija de nueve meses en un portabebé
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Sleep soundly Kobi : Tributes flow for murdered baby
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Date Time
Police Investigate deaths at Whispering Wall, South Australia
Barossa Police are investigating what is suspected to be a tragic murder/suicide at Williamstown yesterday evening.
About 4.30pm on Wednesday 21 April, police and emergency services were called to the Whispering Wall after witnesses reported seeing a man with an infant in a child carrier jump off the wall.
When patrols arrived, they found a deceased man and an infant girl who was unresponsive, being assisted and given CPR by members of the public. Paramedics arrived and continued CPR on the little girl but sadly, she died at the scene.