Four white doves were released over Sydney's west as thousands of mourners gathered at Our Lady of Lebanon Co-Cathedral in Harris Park to farewell Antony, Angelina and Sienna Abdallah.
The children's parents, Danny and Leila Abdallah, and their three surviving siblings were joined at the two-hour service by NSW Premier Gladys Berejiklian, Prime Minister Scott Morrison's wife Jenny and hundreds of children in school uniform.
Leila and Danny Abdallah at the funeral of three of their six children.Credit: Cole Bennetts
More than 300 employees of Mr Abdallah's company, Rockform, formed a guard of honour to accompany the three white hearses onto the grounds of the Maronite Co-Cathedral.
They were led by a procession of drummers from The King's School, where Antony had started year 8 in the weeks before he died.
"Thank you for the beautiful and precious lives of Antony, Angelina and Sienna," their mother Leila said to the packed church.
"They are rejoicing with you [God] today."
Sienna, Angelina and Antony Abdallah.
Ms Abdallah then crossed herself in front of the three white coffins, Antony's draped with a Kobe Bryant basketball jersey.
The family were praised by preacher Mons Shora for their extraordinary decision to forgive the alleged drunk driver who killed three of their six children.
"Leila, you said the words of forgiveness that stunned the world. That doesn't come from something human, it comes from the divine," he said.
Two days after the fatal crash claimed the lives of her son and two daughters, Ms Abdallah told reporters that she forgave the alleged drunk driver.
"Right now I can't hate him. I don't want to see him, [but] I don't hate him," she said at the scene of the crash.
"I think in my heart I forgive him, but I want the court to be fair."
The three siblings and their cousin, Veronique Sakr, were killed last Saturday week as they walked down Bettington Road, in Oatlands in Sydney's north-west, with three others.
Samuel Davidson's ute allegedly struck the group of children as it left the road and mounted the kerb.
Police allege that Mr Davidson, 29, had been drinking all day and had run a red light and illegally overtaken another driver on the wrong side of the road in the moments before he hit the children.
The caskets of Antony, Angelina and Sienna Abdallah at Our Lady of Lebanon Co-Cathedral in Harris Park.Credit: Cole Bennetts
The surviving three were taken to The Children's Hospital at Westmead, where an 11-year-old boy remains in an induced coma.
"Please keep him in your prayers," Mr Shora said of the boy.
In lieu of flowers, the Abdallah family requested donations to the "poor, needy and homeless" in their native Lebanon.