Esther 5:11 (ESV)

11 And Haman recounted to them the splendor of his riches, the number of his sons, all the promotions with which the king had honored him, and how he had advanced him above the officials and the servants of the king.

As a prelude to his complaints against Mordecai, Haman reminded his wife and friends of his own status and wealth. His wealth was indeed vast, as was shown by his offer of ten thousand talents (roughly 375 tons) of silver to the royal treasury (Esther 3:9).

Later in the story, we will discover that Haman had ten sons (Esther 9:7–10). (In Persian society, men were esteemed for the number of sons they had. Every year, the soldier with the most sons would be honoured with gifts from the king.)

Moreover, as Haman did not fail to remind his companions, he was the second most powerful man in the empire (Esther 3:1).