Reference for Yevamot 67:9

ואי בעית אימא באיסור בת אחת ואליבא דר' שמעון

nevertheless exonerates! For we learnt: In the case of a priest who was In the habit of eating <i>terumah</i> and it then transpired that he was the son of a divorced woman or of a <i>haluzah</i>,<span class="x" onmousemove="('comment',' V. Glos. ');">²²</span> R. Eliezer imposes payment of the principal and of a fifth,<span class="x" onmousemove="('comment',' The disqualified priest, having consumed terumah which was forbidden to him, must pay compensation as any layman, as prescribed in Lev. V, 16. ');">²⁴</span> and R. Joshua exonerates!<span class="x" onmousemove="('comment',' Ter. VIII, 1; Pes. 72b, Mak. 11b. ');">²⁵</span>

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