familicide
act of killing several of one's family members
Hope Forest shooting
familicide in Hope Forest, Southern Australia, Australia
Nepalese royal massacre
event on 1 June 2001 in Kathmandu, Nepal in which Crown Prince Dipendra killed most of the royal family (including King Birendra and himself) with a gun
crime of the katana
triple homicide that occurred in Murcia, Spain, in 2000
Chris Benoit double murder and suicide
familicide
Watts family murders
murders by Chris Watts of his wife and daughters in Colorado in 2018
Richthofen case
Brazilian famous crime
Broken Arrow killings
2015 familicide in Broken Arrow Oklahoma