Midras Keluaran 2:1: Midrash Aggadah, Shemot Rabbah, Ein Yaakov (Glick Edition) & Mekhilta DeRabbi Shimon Ben Yochai

A man of the house of Levi went, etc. And where did he go? This teaches that he went after his daughter's advice. For Amram was the leader of the generation. When he saw the evil Pharaoh's decree, he said, "We are toiling for naught." He arose and divorced his wife. So they all arose and divorced their wives. His daughter said to him, "Father, your decree is harsher than the evil Pharaoh’s, as Pharaoh decreed only against the males, and you decreed against the males and the females. Pharaoh only decreed in this world, but you [decreed] in this world and in the next. Pharaoh is wicked, and it is uncertain whether his decree will be fulfilled or whether it will not be fulfilled. However, you are righteous, and your decree will certainly be fulfilled." As it is stated: You will decree, and it will be fulfilled (Job 22:28). He immediately arose and remarried his wife. All of them arose and remarried their wives. But why does it say, "he took"; it needs [to say], "he took back!" Rather it teaches that he took her with the trappings of a wedding. He placed her in a palanquin, and Aharon and Miriam were dancing before her while the ministering angels were saying, "A happy mother of children" [alluding to Psalms 113:9].

“A man from the house of Levi went and he took a daughter of Levi” (Exodus 2:1).
“A man from the house of Levi [went].” Where did he go? Rabbi Yehuda ben Rabbi Zevina said: He followed the counsel of his daughter. It is taught: Amram was the preeminent scholar of his generation, etc. (see above, Shemot Rabba 1:13). “And he took a daughter of Levi.” And he remarried is not written, but rather, “he took.” Rabbi Yehuda ben Rabbi Zevina said: He performed an act of marriage and he seated her on a litter and Miriam and Aaron were dancing before them and the ministering angels were saying: “The mother of the sons is joyous” (Psalms 113:9).
“A daughter of Levi.” Is it possible that she was one hundred and thirty years old and she is called a “daughter”? Didn’t Rabbi Ḥama bar Ḥanina say: She was Yokheved, and she was conceived on the way and was born within the walls,⁴⁶She was born as Jacob and his descendants arrived in Egypt. as it is stated: “Who was born to Levi in Egypt” (Numbers 26:59); her birth was in Egypt but not her conception. And [yet] she is called a “daughter”? Rabbi Yehuda ben Rabbi Zevina said: Signs of young womanhood developed in her.

(Ib. 2, 1) And there went a man of the house of Levi and took a daughter of Levi. Where did he go? asked R. Chisda b. Zabina: "He went for the advice of his daughter." We are taught: Amran was considered the greatest man of his generation and as soon as Pharaoh decreed that every son who is born ye shall cast into the river, he said to himself: "In vain do we get married." He therefore divorced his wife. The rest of the people following his example did likewise. Thereupon his daughter said to him: "Father thy decree is even worse than Pharaoh's; for he issued a decree against sons, but thou hast issued a decree against both sons and daughters; Pharaoh's decree affects merely this world but thy decree will affect this world and the future world. As to the decree of Pharaoh, the wicked, whether it will endure or not [we do not know], but as to thine who art righteous the decree will surely endure, as it is said (Job. 22, 28) And if thou decree a thing it will be fulfilled unto thee." He immediately remarried his wife, whereupon the rest of the people also remarried their wives. If so then it should be written, he re-took instead of took? Said R. Juda b. Zabina: "This means that he made a real wedding ceremony, he made her sit under a canopy with Aaron and Miriam dancing before her while the ministering angels recited, (Ps. 113, 9) The joyful mother of children." The daughter of Levi refers to Jochebed who became pregnant on her way to Egypt and who gave birth between the walls of Egypt, as it is said (Num. 26, 59) Whom [her mother] bore to Levi in Egypt; i.e., her birth was in Egypt, but not her pregnancy." Hence why does the passage call her daughter? Said R. Juda b. Bizna: "At that time she became as young as a veritable girl."