משנה: הָאִשָּׁה שֶּׁנִּתְעָרַב וַולְדָּהּ בִּוְולַד כַּלָּתָהּ. הַגְדִּילוּ הַתַּעֲרוֹבוֹת וְנָשְׂאוּ נָשִׁים וָמֵתוּ. בְּנֵי הַכַּלָּה חוֹלְצִין וְלֹא מְיַיבְּמִין שֶׁהוּא סְפֵק אֵשֶׁת אָחִיו סְפֵק אֵשֶׁת אֲחִי אָבִיו. וּבְנֵי הַזְּקֵינָה אוֹ חוֹלְצִין אוֹ מְיַיבְּמִין שֶׁהוּא אֵשֶׁת אָחִיו וְאֵשֶׁת בֶּן אָחִיו. מֵתוּ הַכְּשֵׁרִים בְּנֵי הַתַּעֲרוֹבוֹת לִבְנֵי הַזְּקֵינָה חוֹלְצִין וְלֹא מְיַיבְּמִין שֶׁהוּא וְאֵשֶׁת אָחִיו סְפֵק אֵשֶׁת אֲחִי אָבִיו. וּבְנֵי הַכַּלָּה אֶחָד חוֹלֵץ וְאֶחָד מְיַיבֵּם.
MISHNAH: If a woman’s child was mixed up with her daughter-in-law’s child, the mixed-up children became adults, married wives, and died. The other sons of the daughter-in-law must perform ḥalîṣah but not levirate since for them it is doubtful whether [the widow was] a brother’s wife or an uncle’s wife. But the sons of the old woman may either perform ḥalîṣah or levirate since for them she was either a brother’s wife or a nephew’s wife. If one of the identified ones died, the mixed-up ones must perform ḥalîṣah but not levirate for a son of the old woman since there is a doubt whether [the widow was] a brother’s wife or an uncle’s wife. But for the sons of the daughter-in-law, one performs ḥalîṣah; the other may marry in levirate.