SAN ANTONIO -

A community is mourning two young children killed in a rollover accident on the Southwest Side over the weekend. 

The children’s grandmother said 7-year-old Rebecca Morales and her brother, 10-year-old Roman Morales, were thrown from the vehicle and killed Sunday night on Southwest Loop 410 near Pearsall Road.

They're little sister, mother, and aunt remain in the hospital.

She said the man behind the wheel was their father, 35-year-old Rigaberto Morales, who was allegedly driving drunk, speeding and weaving in and out of lanes in his SUV.

Police say a total of six people were in Morales' vehicle at the time of the crash--three adults and three children.  Investigators said none of the occupants of the vehicle were wearing seat belts and a witness told police that at least one of the children was standing up.  Leilani Vargas is from Romans’ class visited the memorial with her family.  She shared her prayer for friend.

“I hope that his little sister, he's good in heaven and he's having fun in heaven , and he makes friends and stuff,"  said Vargas.

"If I was to get behind the wheel while intoxicated, I'm not giving a thought to myself or anyone else, and the chance of me surviving will be high, and I just don't want to see it happen to another person, and I don't want to see another child get hurt and nobody put a place of acknowledgement," said Marion Smith the organizer of Tuesday night’s vigil.

Family members say the other passengers in the vehicle, his wife, daughter,  and children’s aunt were taken to the hospital for their injuries. They said all should survive their injuries

But according to police, Morales remains at an area hospital in serious condition with a head injury.  He's been charged by proxy with two counts of intoxication manslaughter, two counts of intoxication assault and one count of violation bond/protective order.