Year 12 student Calvin Wijeweera was walking to Carlingford Court shopping centre when a car mounted a gutter on Thursday morning. (Supplied)
The siblings were children when their family left Sri Lanka for a new life in Sydney.
Calvin was a constant in his sister's life.
"It was the four of us...
රත්තරං thami Lankawe salli karayonge aluthma currency eka. Salli karayo RS walin ganu denu karrane na, ung Gold, $ Euro thami pawichi karrane. Dakkane ara Kamal Hassan Thilini ta salli gewuwa hati.