07 Vayetzei

(י) וַיֵּצֵ֥א יַעֲקֹ֖ב מִבְּאֵ֣ר שָׁ֑בַע וַיֵּ֖לֶךְ חָרָֽנָה׃ (יא) וַיִּפְגַּ֨ע בַּמָּק֜וֹם וַיָּ֤לֶן שָׁם֙ כִּי־בָ֣א הַשֶּׁ֔מֶשׁ וַיִּקַּח֙ מֵאַבְנֵ֣י הַמָּק֔וֹם וַיָּ֖שֶׂם מְרַֽאֲשֹׁתָ֑יו וַיִּשְׁכַּ֖ב בַּמָּק֥וֹם הַהֽוּא׃ (יב) וַֽיַּחֲלֹ֗ם וְהִנֵּ֤ה סֻלָּם֙ מֻצָּ֣ב אַ֔רְצָה וְרֹאשׁ֖וֹ מַגִּ֣יעַ הַשָּׁמָ֑יְמָה וְהִנֵּה֙ מַלְאֲכֵ֣י אֱלֹקִ֔ים עֹלִ֥ים וְיֹרְדִ֖ים בּֽוֹ׃ (יג) וְהִנֵּ֨ה ה' נִצָּ֣ב עָלָיו֮ וַיֹּאמַר֒ אֲנִ֣י ה' אֱלֹקֵי֙ אַבְרָהָ֣ם אָבִ֔יךָ וֵאלֹקֵ֖י יִצְחָ֑ק הָאָ֗רֶץ אֲשֶׁ֤ר אַתָּה֙ שֹׁכֵ֣ב עָלֶ֔יהָ לְךָ֥ אֶתְּנֶ֖נָּה וּלְזַרְעֶֽךָ׃ (יד) וְהָיָ֤ה זַרְעֲךָ֙ כַּעֲפַ֣ר הָאָ֔רֶץ וּפָרַצְתָּ֛ יָ֥מָּה וָקֵ֖דְמָה וְצָפֹ֣נָה וָנֶ֑גְבָּה וְנִבְרְכ֥וּ בְךָ֛ כׇּל־מִשְׁפְּחֹ֥ת הָאֲדָמָ֖ה וּבְזַרְעֶֽךָ׃ (טו) וְהִנֵּ֨ה אָנֹכִ֜י עִמָּ֗ךְ וּשְׁמַרְתִּ֙יךָ֙ בְּכֹ֣ל אֲשֶׁר־תֵּלֵ֔ךְ וַהֲשִׁ֣בֹתִ֔יךָ אֶל־הָאֲדָמָ֖ה הַזֹּ֑את כִּ֚י לֹ֣א אֶֽעֱזׇבְךָ֔ עַ֚ד אֲשֶׁ֣ר אִם־עָשִׂ֔יתִי אֵ֥ת אֲשֶׁר־דִּבַּ֖רְתִּי לָֽךְ׃

Genesis 28:10-15

(10) Jacob left Beer-sheba, and set out for Haran. (11) He came upon a certain place and stopped there for the night, for the sun had set. Taking one of the stones of that place, he put it under his head and lay down in that place. (12) He had a dream; a stairway was set on the ground and its top reached to the sky, and messengers of God were going up and down on it. (13) And standing beside him was ה', who said, “I am ה', the God of your father Abraham’s [house] and the God of Isaac’s [house]: the ground on which you are lying I will assign to you and to your offspring. (14) Your descendants shall be as the dust of the earth; you shall spread out to the west and to the east, to the north and to the south. All the families of the earth shall bless themselves by you and your descendants. (15) Remember, I am with you: I will protect you wherever you go and will bring you back to this land. I will not leave you until I have done what I have promised you.”

רש"ר הירש על התורה, בראשית כ״ח:י״ג:ג׳

Rav Hirsch on Torah, Genesis 28:13:3

The Rav Hirsch thinks it is strange that it is written אֱלֹקֵי֙ אַבְרָהָ֣ם אָבִ֔יךָ and just וֵאלֹקֵ֖י יִצְחָ֑ק, as Yitzchak is Yaakovs father. It is probably the only time that the grandfather is called father and simultaneously the real father is just stated like an unknown side figure. Yaakov was the spiritual son of Avraham. 'ה said to Yaakov "You are the son of whom I have told: הִתְהַלֵּ֥ךְ לְפָנַ֖י וֶהְיֵ֥ה תָמִֽים (Walk in My ways and be blameless.), be his son and heritage!"

Because Yaakov stole the heritage, the jewish nation wins the Avrahamic properties.

From this we can learn that in a spiritual world the grand parents are looked at the same as the parents and so כַּבֵּ֥ד אֶת־אָבִ֖יךָ וְאֶת־אִמֶּ֑ךָ means also that we need to honor our grand parents.