Daily Zohar 3857
Holy Zohar text. Daily Zohar -3857

Hebrew translation:

130. אַף כָּךְ הַכְּלִי הַזֶּה בַּתְּחִלָּה הוּא הָיָה בְּדַרְגַּת יוֹסֵף, בַּעַל הָאִילָן הַתַּחְתּוֹן, עוֹמֵד בִּרְצוֹנוֹ וְשׁוֹלֵט עָלָיו, שֶׁהֲרֵי כָּל נְקֵבָה בִּדְמוּת הַנְּקֵבָה הָעֵץ הַתַּחְתּוֹן עוֹמֶדֶת. כֵּיוָן שֶׁהוּא לֹא רָצָה לַעֲמֹד בְּאוֹתָהּ דַּרְגָּה שֶׁל יוֹסֵף וְלֹא הִתְקַיֵּם לְשַׁמֵּשׁ בָּהּ וּלְהִתְרַבּוֹת בָּעוֹלָם וְלַעֲשׂוֹת תּוֹלָדוֹת, אָז יוֹרֵד לְמַטָּה, וְהִיא נַעֲשֵׂית אִמּוֹ. וְאוֹתוֹ הַגּוֹאֵל יוֹרֵשׁ אֶת יְרֻשַּׁת יוֹסֵף, שֶׁהָיָה הוּא בָרִאשׁוֹנָה וְהוּא יָרַד לְמַטָּה.
131. כֵּיוָן שֶׁיָּרַד לְמַטָּה, אָז הִתְקַיֵּם בּוֹ, ה’ אָמַר אֵלַי בְּנִי אַתָּה אֲנִי הַיּוֹם יְלִדְתִּיךָ. הִתְהַפֵּךְ הָאִילָן. מַה שֶּׁהָיָה תַחְתָּיו וְהוּא שָׁלַט עָלָיו, חָזַר וְשָׁלַט הָאִילָן הַהוּא עָלָיו, וְהוּא יָרַד לְמַטָּה. כֵּיוָן שֶׁהוּא יָרַד לְמַטָּה, אוֹתוֹ שֶׁיָּרַשׁ יְרֻשַּׁת מְקוֹם יוֹסֵף, אָבִיו נִקְרָא, אָבִיו יִהְיֶה וַדַּאי, וְהַכֹּל בָּא עַל תִּקּוּנוֹ וַדַּאי כָּרָאוּי.


Zohar Mishpatim

Continued from previous DZ
The widow is the vessel, an aspect of Malchut that was first under her husband, who was at the level of Joseph, Yessod of Zeir Anpin above Malchut.
Malchut, a female, is under the control of Zeir Anpin, the male. Since the husband died before having children in this world, he goes down and incarnates in the child that would be born from the Yibum. His wife becomes his mother, and his brother or another close family member marries the widow and becomes his father, inheriting the level of Yessod of Zeir Anpin from the deceased husband.

After the Yibum and the incarnation of the husband’s soul as a child to his wife, everything is correctly set on the spiritual level as it is written “You are My Son, Today I have begotten You.” (Psalm 2:7)

The Zohar (Shelach Lecha #189) explains that husband and wife are like one candle. The man brings the Light to his wife, and they shine as one Light.
During the marriage ceremony (Kidushin, sanctification) and the first unification, the husband transferred the soul level of Ruach into his wife. During this ceremony, the man that was adequately prepared for it gets the level of Yessod of Zeir Anpin with the soul level of Ruach.

The husband’s soul that died without having children is still connected to his wife because they share one Light on the level of Ruach. The widow can still support her husband and bring children that will be considered his because the original unification transferred part of his soul into her, in her womb.
Young women need to understand that the first man that penetrates her vessel creates a substantial impact on her vessel, even if that man is forgotten later in life. It’s like a stamp that has a strong impression. The purity of the woman’s vessel is essential for pure souls to come into it.
A pure channel, a husband, and a pure vessel, a wife, they can draw great souls to this world with pure love between them.
Similarly, a couple can draw blessings/pure Light into their lives even if their unification is not for having children.