Reference for Yevamot 79:21

מידי יקום על שם אביו כתיב יקום על שם אחיו כתיב ולא על שם אביו

his duty<span class="x" onmousemove="('comment',' Of eating unleavened bread. Cf. Ex. XII, 18. ');">³⁵</span> on the Passover. Though he made it first into a dumpling, it is nevertheless designated the 'bread of affliction', since he subsequently baked it in an oven. Consequently a man may perform with it his duty<span class="x" onmousemove="('comment',' Of eating unleavened bread. Cf. Ex. XII, 18. ');">³⁵</span>

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