“He’s in complete shock and in so much pain,” she added.
“We’re all devastated, it would have been the first grandchildren for both families.”
Hoang had been travelling in the front passenger seat of the car, driven by a 17-year-old relative whom he was reportedly supervising as a learner driver, with his pregnant wife in the back seat.
Both Katherine and the young relative died at the scene. Katherine was one week away from giving birth to twin boys.
Richard Moananu, 29, was allegedly travelling at speeds of over 100km/h and driving without a licence when his Mazda slammed into the Nissan Tiida carrying the young family.
Moananu faced a bedside hearing in Westmead Hospital and is facing 10 charges including two counts of manslaughter, two counts of aggravated dangerous driving occasioning death and two counts of negligent driving occasioning death, reports News.com.au.
This article originally appeared on marie claire.