Was Mahli the son of Levi?

---

Yes, Mahli was Levi's son.

... of the sons of Mahli, the son of Levi, the son of Israel.... Ezra 8:18

No.

Mahli was not the son of Levi.

And the sons of Levi; Gershon, Kohath, and Merari. Genesis 46:11, 1 Chronicles 6:1, 16

The sons of Levi, namely, Gershon, Kohath, and Merari. 1 Chronicles 23:6

And these are the names of the sons of Levi according to their generations; Gershon, and Kohath, and Merari. Exodus 6:16

He was the son of Merari.

The sons of Merari by their families; Mahli ...Numbers 3:20

The sons of Merari; Mahli ... 1 Chronicles 6:19, 23:21

The sons of Merari were Mahli and Mushi. 1 Chronicles 24:26