Question: Why doesn't it list Chavah?

Citation (Bava Basra 58a): Sarah compared to Chavah was like a monkey compared to a person.

Answer: We list only women born from a woman.

Question: Why didn't he divorce her, and then she would be permitted to return to Mordechai (after willingly going to Achashverosh)?

Answer: Everything about a Get requires witnesses. Mordechai feared lest the matter become known to the king.

Note: The Rashba holds that a Get in the husband's handwriting is Kosher without witnesses. He asked Tosfos' question, and answered that we need not resolve the Halachah with Agada. (We can explain the verse to mean that she was prepared to die.)

Explanation #1: It was in the merit of Torah, Nevi'im and Kesuvim.

Explanation #2: It was [in the merit of] Kohanim, Leviyim and Yisraelim.

Explanation #3: It was [in the merit of] Moshe, Aharon, and Miryam.

Explanation #4: It was [in the merit of] the third [month,] in which was Matan Torah.

Explanation: It seems that it mentions "Emes" to teach that in a Din Merumah (it seems that there is trickery) one must investigate the witnesses well until the truth is clarified, and then he judges it to its Emes.

Explanation: Shirbavta is from the root Ishtarbuvi (lowered). The text does not say she'Rivavta (you increased).