To marry off one's son/ (to marry off one's daughter)
He married his son. His son married a wife.
("Rabbi Yehuda Omer says that if he marries his first daughter, he should give the second one the same way as he gave the first one" - letters 6 and 6, and so on: "And also our Rabbi Chaim wanted to marry his daughter, and he also waited for the man's daughter to marry, as a Jew is lawfully waiting for the return of the redeemed" - Y.L. Peretz/ Gilgulu of Nigun, and so on: "The beginning of the rabbi To speak with him about the children of his house, and in the midst of the discussion he said to him, "The hour has come to marry his eldest daughter, according to the words of our ancestors, whose memory is blessed, 'Your daughter is a virgin, come and marry her.'" - Mordecai ben Yehezkel/ Sefer Hamaoshiyot Helek Rabi'i, HaKibud, 108)
Translation
Expression (Hebrew)
הַשִּׂיא אֶת בְּנוֹ (הַשִּׂיא אֶת בִּתּוֹ)
Definition (Hebrew)
חִתֵּן אֶת בְּנוֹ. בְּנוֹ נָשָׂא אִשָּׁה.
("רַבִּי יְהוּדָה אוֹמֵר אִם הִשִּׂיא אֶת הַבַּת הָרִאשׁוֹנָה יִנָּתֵן לַשְּׁנִיָּה כְּדֶרֶךְ שֶׁנָּתַן לָרִאשׁוֹנָה"- כְּתֻבּוֹת ו ו, וְכֵן:"וְגַם ר' חַיִּים'ל שֶׁלָּנוּ רָצָה להשׂיא אֶת בִּתּוֹ, וְגַם הוּא מְחַכֶּה לנשׂואי בַּת הַגְּבִיר, כִּיהוּדִי כָּשֵׁר הַמְּחַכֶּה לְבִיאַת הַגּוֹאֵל"-י"ל פֶּרֶץ/ גִּלְגּוּלוֹ שֶׁל נִגּוּן, וְכֵן:"הִתְחִיל הָרַב לְדַבֵּר אִתּוֹ עַל דְּבַר בְּנֵי בֵּיתוֹ, וְאַגַּב גָּרַרְתְּ הַדְּבָרִים אָמַר לוֹ, שֶׁהִגִּיעָה הַשָּׁעָה לְהַשִּׂיא אֶת בִּתּוֹ הַגְּדוֹלָה, כְּדִבְרֵי רַבּוֹתֵינוּ זִכְרוֹנָם לִבְרָכָה, בִּתְּךָ בָּגְרָה בּוֹא וְהִשִּׂיאָהּ"- מָרְדְּכַי בֶּן יְחֶזְקֵאל/ סֵפֶר הַמַּעֲשִׂיּוֹת חֵלֶק רְבִיעִי, הַכִּבּוּד, 108)