The giraffe cow involved in the attack on Dr Katy Williams and her son Finn was successfully relocated on Tuesday, however her two-month old calf did not survive.
Earlier this month, Katy's husband Dr Sam Williams returned from a trail run on Blyde Wildlife Estate in Hoedspruit to find his wife and their son under attack from a giraffe that had recently given birth to a calf.
The attack happened 150 metres from the family's home, where Finn usually waits for Sam to return from his run. It is presumed that the giraffe attacked Katy and Finn because she viewed the two as a threat to her newborn calf.
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Blyde Wildlife Estate manager Riaan Cilliers confirmed the calf's death.
"We are all devastated by this very sad news," he said.
He added that all necessary precautions and legal requirements were adhered to during the relocation process.
Williams previously told News24 that he was thankful that the giraffe would remain safe as he had "no doubt that this is what Katy would want".