Xavier Yap Jung Houn, 50, is a Singaporean man who was sentenced to 14 years’ in jail for killing his 11-year-old twin sons, Aston Yap Kai Shern and Ethan Yap E Chern, in a canal near a playground in Greenridge Crescent on Jan. 21, 2022. He pleaded guilty to two charges of culpable homicide not amounting to murder, after his initial charges of murder were reduced due to his mental condition.
Who is Xavier Yap Jung Houn?
Xavier Yap Jung Houn was born in 1973 and worked as a senior engineer at a multinational company. He married his wife, Anna (not her real name), in 2007 and they had twin sons in 2011. The twins were diagnosed with autism spectrum disorder and global developmental delay in 2017, and they had difficulty speaking and learning. They were enrolled in a mainstream primary school at age nine, but they struggled to cope with the curriculum and social interactions.
Xavier Yap had a good relationship with his sons and was more involved in their studies after they enrolled in school. He did not usually discipline them with physical force and was supportive of their special needs. However, he also became increasingly worried about their future and felt that no one would take care of them after he and his wife died. He was also concerned that they would be bullied by others.

Xavier Yap’s mental health deteriorated over the years as he suffered from major depressive disorder, which was exacerbated by his wife’s behavior towards their sons and her alleged affair with another man. He claimed that his wife was not willing to accept their sons’ conditions and had unreasonable expectations of them. He also alleged that she physically punished and scolded them frequently and that she cheated on him in late 2021.
Why did Xavier Yap Jung Houn kill his sons?
According to the web search results, Xavier Yap Jung Houn killed his sons because he was suffering from major depressive disorder and had several reasons to believe that his sons would be better off dead. Some of these reasons were:
- He felt that his wife had given up on the twins, who had autism, and had unreasonable and unrealistic expectations for them to behave like normal children.
- He found out that his wife was cheating on him with another man.
- He feared that no one would take care of the twins after he and his wife died, and was worried that the twins would be bullied by others.

- He thought that killing his sons would free his wife from her burden and allow her to pursue happiness with her lover.
- He wanted to end his own life as well and join his sons in death.
Xavier Yap Jung Houn Wife & Kids
Xavier Yap Jung Houn is a Singaporean man who was sentenced to 14 years in jail for killing his autistic twin sons, Aston Yap Kai Shern and Ethan Yap E Chern, in January 2022. He claimed that he did so because he felt his wife had given up on the two 11-year-old boys, who had autism, and that killing them would take away his wife’s burdens. He also feared that no one would take care of the boys after he and his wife died, and was worried that the boys would be bullied by others.

Xavier Yap Jung Houn’s wife, whose name is not revealed, is the biological mother of the twins. According to Yap, his wife was not willing to accept their special needs and had unreasonable and unrealistic expectations on them to behave like normal children. He said that physical punishments and scoldings were becoming common whenever the boys failed to meet his wife’s expectations. He also found out that his wife was cheating on him with another man.
What happened on Jan. 21, 2022?
On Jan. 21, 2022, Xavier Yap decided to carry out his plan to kill his sons and commit suicide thereafter. He drove the boys to the playground at Greenridge Crescent, which was near his flat at Toh Tuck Road. The boys played there for around 10 minutes before he carried them one by one into a canal near the field.
There, Xavier Yap Jung Houn picked up a stick and pressed it hard against Ethan’s neck. When the stick broke, he strangled Ethan by placing his forearm across his neck and pressing down hard. Ethan struggled, but he eventually stopped moving. Xavier Yap then placed him on the ground with his face submerged in the water of the canal floor.

Xavier Yap then turned to Aston, who had been standing quietly a few meters away while his brother was being strangled. He tried to strangle Aston by placing his forearm across his son’s neck, but he was not strong enough and both fell to the ground. While Aston was lying on the ground face up, Xavier Yap strangled him and continued to apply force to his neck until he became motionless. He also submerged his face in the canal water.
Xavier Yap Jung Houn’s Parents & Siblings
We could not find any information about Xavier Yap Jung Houn’s parents and siblings from the web search results. It seems that his family background is not publicly known or reported by the media. Perhaps he prefers to keep his personal life private, or maybe his relatives do not want to be associated with him after his heinous crime.
What Does Xavier Yap Jung Houn Do?
Not much is known about Xavier Yap Jung Houn’s career or what he does for a living. He was initially charged with murder, which carries the death penalty, but his charges were reduced to culpable homicide not amounting to murder, which carries a maximum sentence of life imprisonment or caning.
He pleaded guilty to the lesser charges and wrote a personal letter to the court explaining his reasons. He said that he was suffering from major depressive disorder and had several reasons to believe that his sons would be better off dead. He also found out that his wife was cheating on him with another man.
Case & Controversy
He is a 50-year-old Singaporean man who was sentenced to 14 years in jail for killing his autistic twin sons, Aston Yap Kai Shern and Ethan Yap E Chern, in January 2022. He claimed that he did so because he felt his wife had given up on the two 11-year-old boys, who had autism, and that killing them would take away his wife’s burdens. He also feared that no one would take care of the boys after he and his wife died, and was worried that the boys would be bullied by others.
He was initially charged with murder, which carries the death penalty, but his charges were reduced to culpable homicide not amounting to murder, which carries a maximum sentence of life imprisonment or caning. He pleaded guilty to the lesser charges and wrote a personal letter to the court explaining his reasons. He said that he was suffering from major depressive disorder and had several reasons to believe that his sons would be better off dead. He also found out that his wife was cheating on him with another man.
He regretted his actions and wished for a quick death, but changed his mind when he learned that his wife was not even saddened by the loss of their sons and had thrown away their belongings. He also said that she had invited her lover to stay at their house. He decided to reveal everything instead of seeking death.
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Facts About Xavier Yap Jung Houn
- He is 50 years old as of 2023.
- Xavier Yap Jung Houn was sentenced to 14 years in jail for culpable homicide not amounting to murder on August 15, 2023.
- He claimed that he killed his sons because he felt his wife had given up on them and that killing them would take away his wife’s burdens.
- He also feared that no one would take care of his sons after he and his wife died, and was worried that they would be bullied by others.
- Xavier Yap Jung Houn found out that his wife was cheating on him with another man.
- He attempted to end his own life after killing his sons by stabbing himself with an ice pick and hitting his head with a tree branch and a rock1.
- Xavier regretted his actions and wished for a quick death, but changed his mind when he learned that his wife was not saddened by the loss of their sons and had thrown away their belongings.
- He also said that his wife had invited her lover to stay at their house.
- Xavier Yap Jung Houn decided to reveal everything instead of seeking death and wrote a personal letter to the court explaining his reasons.
- His sons, Aston Yap Kai Shern and Ethan Yap E Chern were 11 years old when they died.
- They were diagnosed with global developmental delay and autism spectrum disorder in 2017.
- They were enrolled in Primary 1 in a mainstream school at age nine, while they were still unable to speak.
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