Onan was the 2nd child of Juda OR Judah OR Judas and Shuah [Family].

1 Chr 2:3 The sons of Judah; Er, and Onan, and Shelah: which three were born unto him of the daughter of Shua the Canaanitess. And Er, the firstborn of Judah, was evil in the sight of the LORD; and he slew him.

No children listed.