Jubal was the 2nd child of Lamech and Adah [Family].

Gen 4:19 And Lamech took unto him two wives: the name of the one was Adah, and the name of the other Zillah. Gen 4:20 And Adah bare Jabal: he was the father of such as dwell in tents, and of such as have cattle. Gen 4:21 And his brother's name was Jubal: he was the father of all such as handle the harp and organ.

No children listed.