fratricide

noun

Etymology: From Middle English fratricide, from Middle French fratricide or its etymon Latin frātricīda.

1. A person who commits fratricide.

   “Can Signorio was twice a fratricide, the last time when he lay upon his death-bed: his tomb bears upon its gables the images of six virtues, — Faith, Hope, Charity, Prudence, and (I believe) Justice and Fortitude.”

   “The conversion of Russia to Christianity was effected, it would seem by a monster of cruelty and lust. That Vladimir (980–1015) was a fratricide, who maintained 3,500 concubines, has not prevented his canonization as a saint.”