He is the father of Oholiab.
Exodus 31:6And I have appointed with him Oholiab son of Ahisamach, of the tribe of Dan; and I have given skill to all the skillful, so that they may make all that I have commanded you:
Exodus 35:34He has also given him ability to teach, as well as Oholiab son of Ahisamach, of the tribe of Dan.
Exodus 38:23And with him was Oholiab son of Ahisamach, of the tribe of Dan, an engraver and a designer, and an embroiderer in blue, purple, and crimson yarns, and in fine linen.