סימן כג סעיף יג
אֵין קוֹרִין שְׁנֵי אַחִים זֶה אַחַר זֶה, בֵּין שֶׁהֵם מִן הָאָב בֵּין מִן הָאֵם. וְכֵן הָאָב עִם בְּנוֹ אוֹ בֶּן בְּנוֹ, אֵין קוֹרִין זֶה אַחַר זֶה מִשּׁוּם עֵינָא בִּישָׁא. וַאֲפִלּוּ הֵם אוֹמְרִים שֶׁאֵינָן מַקְפִּידִין. וַאֲפִלּוּ הָאֶחָד הוּא אַחֲרוֹן וְהַשֵּׁנִי מַפְטִיר. וְדַוְקָא בְּשַׁבָּת שֶׁאֵין מוֹצִיאִין סֵפֶר תּוֹרָה אַחֵר לְמַפְטִיר. אֲבָל כְּשֶׁמּוֹצִיאִין סֵפֶר תּוֹרָה אַחֵר לַמַפְטִיר מֻתָּר. וְכֵן אִם הַמַּפְטִיר אֵינוֹ בַּר מִצְוָה מֻתָּר. וּבְכָל אֵלּוּ אִם קְרָאוּהוּ וּכְבָר עָלָה לֹא יֵרֵד. וּבִשְׁנֵי אַחִים רַק מִן הָאֵם וְהָאָב עִם בֶּן בְּנוֹ אִם קְרָאוּהוּ, אֲפִלּוּ עֲדַיִן לֹא עָלָה יַעֲלֶה. וּבִמְקוֹם הַצֹּרֶךְ יֵשׁ לְהַתִּיר בְּאֵלּוּ אֲפִלּוּ לְכַתְּחִלָּה לְקָרְאָם זֶה אַחַר זֶה. (סִימָן קמ"א וסד"ה)
Two brothers should not be called [consecutively] one after the other, whether they are [brothers] from the same father or from the same mother. Similarly, a father and his son or [a grandfather and] his grandson, should not be called one after the other for fear of an "evil eye;"23For fear of creating ill-will which can be harmful. even if they profess not to mind. [This applies] even if the first is [called] for acharon20אַחֲרוֹן—the last aliyah before maftir. and the second for maftir;24Though kaddish interrupts between acharon and maftir (Mishnah Berurah 141:20). but only on a Shabbos, when another Seifer Torah is not taken out for the maftir. However, when another Seifer Torah is taken out for maftir, it is permitted [to call consecutively two brothers or father and son]. Similarly, [when the one called] to maftir is not yet bar mitzvah (13 years old), it is permitted. In all the above situations, if they have already called him and he has gone up [to the Torah,] he should not descend (from the bimah25Bimah—the reader’s stand.). If two brothers who only have the same mother, [but have different fathers,] or a father and his grandson, were [already] called, though they have not yet come up, they may ascend [to the bimah]. When necessary it is26I.e. two brothers of the same mother, or father and grandson. permitted, even initially for them to be called consecutively.27Congregations whose custom is not to call the olim by name may call all of the above consecutively (Orechos Chaim 141, Sha’ar Efraim Gate 1:32). Accordingly, since the persons who are called for hagbahah (the raising of the Seifer Torah upon completion of the reading) and gelilah (the rolling up of the Seifer Torah,) who are not usually called by name, hagbahah and gelilah may be performed by two brothers etc. (Responsa Avnei Cheifetz 16).
תנא דבי אליהו כל השונה הלכות בכל יום מובטח לו שהוא בן העולם הבא שנאמר הליכות עולם לו אל תקרי הליכות אלא הלכות (נדה ע"ג.)