parricide

noun
1
the crime of killing your father, mother or a close relative; a person who is guilty of this crime
پدرکشی, مادرکشی, والدین‌کشی, خویشاوندکشی, پدرکش, مادرکش, خویشاوندکش
compare fratricide, matricide, patricide, uxoricide