Reference for Kiddushin 148:8

אלא אמר רב נחמן אמר רבה בר אבוה הכא ממזר מאחותו וממזר מאשת איש איכא בינייהו

Now, is it a general principle that one whose daughter a priest may not marry may intermarry with these? But what of [the case of] a halal who marries an Israelite's daughter, though a priest may not marry his daughter, yet he may not intermarry with these others?<span class="x" onmousemove="('comment',' Sc. mamzer, etc.');">¹⁰</span>

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