familicide

listen to the pronunciation of familicide
İngilizce - İngilizce
The murder of an entire family by a family member

Because of the familicide that wiped out his entire family, he will be charged with six counts of murder.

The murder of an entire family by a family member, followed by suicide

His spree of familicide ended only after he killed the family dog, and then himself.

The person who perpetrates a familicide

The popular professional wrestler became the most notorious familicide of 2007.