He is the 31 year old brother of Lykos Abrave. He is married to a 28 year old woman, Emily, and has adopted neices. Such as Kio Romani, and the two human-demon twins. The human one, Tomino, and the demon, Miojin. Kio is the adopted niece of Lykos, and the two demon-human twins are the adopted daughters of Lykos. Jacob left the military before the apocalypse, and pursued his dreams of becoming a singer. He usually wrote country music.