Asaph: Father of Joah
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2 Kings 18:18
Then they called for the king; and Eliakim son of Hilkiah the palace administrator, Shebnah the scribe, and Joah son of Asaph the recorder, went out to them.
Isaiah 36:3, 22
Then Eliakim son of Hilkiah the palace administrator, Shebna the scribe, and Joah son of Asaph the recorder, went out to him. / Then Hilkiah’s son Eliakim the palace administrator, Shebna the scribe, and Asaph’s son Joah the recorder came to Hezekiah with their clothes torn, and they relayed to him the words of the Rabshakeh.