Criminal sibling duos

British criminal duo during 1950s and 1960s

Joseph Lyle Menendez and Erik Galen Menendez, commonly referred to as the Menendez brothers, are American brothers convicted of killing their parents, José and Mary Louise "Kitty" Menendez, in their Beverly Hills home in 1989.

two French housemaid girls, sentenced for a February 1933 murder

two Egyptian serial killers