According to the Book of Genesis, Naphtali (/ ˈ n æ f t ə l aɪ /; Hebrew: נַפְתָּלִי ‎, Modern: Naftalī, Tiberian: Nap̄tālī, "my struggle") was the last of the two sons of Jacob and Bilhah (Jacob's sixth son). He was the founder of the Israelite Tribe of Naphtali.. Some biblical commentators have suggested that the name Naphtali may refer to the struggle between Rachel and ...