Reference for Sanhedrin 204:5

אחאב אח לשמים אב לעבודת כוכבים אח לשמים דכתיב (משלי יז, יז) אח לצרה יולד אב לעבודת כוכבים דכתיב (תהלים קג, יג) כרחם אב על בנים

and ab [father] to idolatry, as it is written, As a father loveth his children.<span class="x" onmousemove="('comment',' Ps. CIII, 13; so translated here (Rashi). Cf. ibid. XVIII, 2: [H] I will love thee, O Lord, my strength. ');">⁸</span> And it came to pass, that it were a light thing for him to walk in the sins of Jeroboam the son of Nebat.<span class="x" onmousemove="('comment',' I Kings XVI, 31. The reference is to Ahab, ');">⁹</span>

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