Contradiction with Genesis 10:4
Genesis 10:4 lists the sons of Javan with a variation and different order compared to 1 Chronicles 1:7.
Genesis 10:4: And the sons of Javan; Elishah, and Tarshish, Kittim, and Dodanim. [Dodanim: or, as some read it, Rodanim]
Contradiction with Ezekiel 27:12
While both passages speak of the progeny of Javan, Ezekiel 27:12 highlights the trading aspect, providing a different role or characterization compared to 1 Chronicles 1:7.
Ezekiel 27:12: Tarshish [was] thy merchant by reason of the multitude of all [kind of] riches; with silver, iron, tin, and lead, they traded in thy fairs.