Esther 3:4

3:4 And after they had spoken to him day after day without his paying any attention to them, they informed Haman to see whether this attitude on Mordecai’s part would be permitted. Furthermore, he had disclosed to them that he was a Jew.

Esther 8:1

The King Acts to Protect the Jews

8:1 On that same day King Ahasuerus gave the estate of Haman, that adversary of the Jews, to Queen Esther. Now Mordecai had come before the king, for Esther had revealed how he was related to her.