Who Are Atio Castillo Parents? Atio Castillo's Parents Demand Accountability from UST for Son's Death
by Kowsalya
Updated Oct 03, 2024

Who Are Atio Castillo Parents?
Atio Castillo’s parents are Horacio Castillo Jr. and Carmina Castillo. They are the parents of University of Santo Tomas (UST) civil law freshman Horacio “Atio” Castillo III, who tragically died in September 2017 due to hazing during an initiation with the Aegis Juris Fraternity.
Since their son’s death, Horacio Jr. and Carmina have fought for justice, pushing for the conviction of those responsible. They believe that UST failed to protect their son and demanded accountability from the university and its officials. Recently, 10 fraternity members were convicted for violating the Anti-Hazing Law of 1995.
Atio Castillo Death
Atio Castillo, a UST law freshman, died in September 2017 after being hazed by the Aegis Juris Fraternity. He suffered severe injuries during the initiation, which led to his death. His case brought national attention to the dangers of hazing. Ten fraternity members were later convicted for their involvement.
Atio Castillo Case Timeline
The Atio Castillo death case involves the tragic hazing-related death of Horacio "Atio" Castillo III, a law student from the University of Santo Tomas, in 2017. Here is the timeline for Atio Castillo's Death Case:
September 16, 2017:
Horacio "Atio" Castillo III, a 22-year-old student from the University of Santo Tomas (UST), told his mom he was going to a drinking session with the Aegis Juris Fraternity. He promised her that the group didn’t do hazing.
September 17, 2017:
Castillo went through the fraternity’s initiation, where he passed out and couldn’t be revived. The fraternity members took him to the Chinese General Hospital, but he was already dead when he arrived.
September 18, 2017:
The hospital sent a message to Castillo’s family, telling them about his death.
September 27, 2017:
The police filed a case against the fraternity with the Department of Justice (DOJ). They also found a chat group where members talked about covering up the crime, cleaning the fraternity library, and getting rid of CCTV footage. Castillo was buried that day at Manila Memorial Park.
February 2018:
UST expelled eight law students who were involved in Castillo’s death, but their names were not made public.
March 2018:
The DOJ charged 11 fraternity members, including Arvin Balag and Ralph Trangia, with breaking the Anti-Hazing Law. Another member, John Paul Solano, was charged with lying and obstructing the investigation.
March 23, 2018:
The 10 accused fraternity members turned themselves in to the National Bureau of Investigation (NBI). The court had issued arrest warrants for them.
May 2018:
After two months in NBI custody, the 10 accused were moved to Manila City Jail, even though they were worried about their safety.
June 2019:
John Paul Solano was found guilty of lying about how he found Castillo. He was sentenced to two to four years in prison.
October 2024:
The court found 10 fraternity members guilty of hazing and sentenced them to up to 40 years in prison. They were also ordered to pay Castillo’s family over P600,000 in damages.
Who Are the 10 Aegis Juris Fratmen Accused in Atio’s Death?
The hazing-related death of Horacio “Atio” Castillo III in 2017 led to the indictment of 10 Aegis Juris fraternity members.
Arvin Balag:
Mhin Wei Chan:
Axel Hipe:
Ralph Trangia:
Oliver John Audrey Onofre:
Joshua Joriel Macabali:
Robin Ramos:
Marcelino Bagtang:
Danielle Hans Matthew Rodrigo:
Jose Miguel Salamat:
Who was Atio Castillo?
Horacio "Atio" Castillo III was a freshman law student at the University of Santo Tomas (UST) in Manila, Philippines. Born in 1995, he was a dedicated student with dreams of becoming a lawyer. In September 2017, Atio tragically lost his life during a hazing ritual conducted by the Aegis Juris Fraternity. He suffered severe injuries during the initiation process, which ultimately led to his death.
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