Verses from Parshat Ki Tavo are implicitly mentioning stories from Safer Berashis.
I put the Pasukim in Ki Tavo in order of where they appear in Berashis. Try and figure out who these Laws are referring to in the Berashit narrative.
(יא) לֹא תִלְבַּשׁ שַׁעַטְנֵז צֶמֶר וּפִשְׁתִּים יַחְדָּו.
(11) Thou shalt not wear a mingled stuff, wool and linen together. .
(א) לֹא יִקַּח אִישׁ אֶת אֵשֶׁת אָבִיו וְלֹא יְגַלֶּה כְּנַף אָבִיו.
(1) A man shall not take his father’s wife, and shall not uncover his father’s skirt.
(טו) כִּי תִהְיֶיןָ לְאִישׁ שְׁתֵּי נָשִׁים הָאַחַת אֲהוּבָה וְהָאַחַת שְׂנוּאָה וְיָלְדוּ לוֹ בָנִים הָאֲהוּבָה וְהַשְּׂנוּאָה וְהָיָה הַבֵּן הַבְּכוֹר לַשְּׂנִיאָה.
(15) If a man have two wives, the one beloved, and the other hated, and they have borne him children, both the beloved and the hated; and if the first-born son be hers that was hated;
(א) לֹא יִקַּח אִישׁ אֶת אֵשֶׁת אָבִיו וְלֹא יְגַלֶּה כְּנַף אָבִיו.
(1) A man shall not take his father’s wife, and shall not uncover his father’s skirt.
(ז) כִּי יִמָּצֵא אִישׁ גֹּנֵב נֶפֶשׁ מֵאֶחָיו מִבְּנֵי יִשְׂרָאֵל וְהִתְעַמֶּר בּוֹ וּמְכָרוֹ וּמֵת הַגַּנָּב הַהוּא וּבִעַרְתָּ הָרָע מִקִּרְבֶּךָ.
(7) If a man be found stealing any of his brethren of the children of Israel, and he deal with him as a slave, and sell him; then that thief shall die; so shalt thou put away the evil from the midst of thee.