kinslayer
Noun
Meaning
kinslayer (plural kinslayers)
(rare, mostly in fantasy fiction) One who slays his or her own kin; a parricide.
Examples
Athain Kinslayer is a captain in the Calpurnian navy, a star voyager who has given up on personal happiness in pursuit of his duty.
Lews Therin himself kills his friends and family, and is known afterwards as "Kinslayer."
Ten years ago, the Kinslayer returned from the darkness.