1 Chronicles 23:7

Overview - 1 Chronicles 23
David in his old age makes Solomon king.
The number and distribution of the Levites.
The families of the Gershonites.
12 The sons of Kohath.
21 The sons of Merari.
24 The office of the Levites.
Treasury of Scripture Knowledge

1 Chronicles 23:7  (King James Version)
Of the Gershonites were, Laadan, and Shimei.

6:17-20 15:7 26:21

Laadan and Libni, seem to have been two distinct names of this person; but the variation of Shimi and Shimei exists only in the translation, the original being uniformly [Shim'iy .]
Exodus 6:17

Libni, Shimi