1 chronicles 23:7 of the gershonites were laadan and shimei

New American Standard Bible (NASB ©1995) [2]
— Of the Gershonites [were] Ladan and Shimei.
King James Version (KJV 1769) [2]
— Of the Gershonites [were], Laadan, and Shimei.
English Revised Version (ERV 1885)
— Of the Gershonites; Ladan and Shimei.
American Standard Version (ASV 1901) [2]
— Of the Gershonites: Ladan and Shimei.
Webster's Revision of the KJB (WEB 1833)
— Of the Gershonites, [were], Laadan and Shimei.
Darby's Translation (DBY 1890)
— Of the Gershonites: Laadan and Shimei.
Rotherham's Emphasized Bible (EBR 1902)
— Of the Gershonites, Ladan and Shimei.
Young's Literal Translation (YLT 1898)
— Of the Gershonite: Laadan and Shimei.
Douay-Rheims Challoner Revision (DR 1750)
— The sons of Gerson were Leedan and Semei.
Geneva Bible (GNV 1560)
— Of the Gershonites were Laadan ? Shimei.
Original King James Bible (AV 1611) [2]
— Of the Gershonites [were] Laadan, and Shimei.
Lamsa Bible (1957)
— Of the Gershonites were Ladan and Shimei.
Brenton Greek Septuagint (LXX, Restored Names)
— And for [the family of] Gershom{gr.Gedson}, Edan, and Shimei{gr.Semei}.
Full Hebrew Names / Holy Name KJV (2008) [2] [3]
— Of the Gershunnim [were], Ladan, and Shimi.

{1649} Prime
גֵּרְשֻׁנִּי
Ger@shunniy
{gay-resh-oon-nee'}

Patronymic from H1648; a Gereshonite or descendant of Gereshon.

{3936} Prime
לַעְדָּן
La`dan
{lah-dawn'}

From the same as H3935; Ladan, the name of two Israelites.

{8096} Prime
שִׁמְעִי
Shim`iy
{shim-ee'}

From H8088; famous; Shimi, the name of twenty Israelites.

_ _ 1 Chronicles 23:7-11. Sons of Gershon.

_ _ the Gershonites — They had nine fathers’ houses, six descended from Laadan, and three from Shimei.

Gershonites:
1 Chronicles 6:17-20 And these [be] the names of the sons of Gershom; Libni, and Shimei. ... Of Gershom; Libni his son, Jahath his son, Zimmah his son,
1 Chronicles 15:7 Of the sons of Gershom; Joel the chief, and his brethren an hundred and thirty:
1 Chronicles 26:21 [As concerning] the sons of Laadan; the sons of the Gershonite Laadan, chief fathers, [even] of Laadan the Gershonite, [were] Jehieli.

Laadan:
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 שׁמעי [Strong's H8096]. Exodus 6:17 The sons of Gershon; Libni, and Shimi, according to their families. , Libni, Shimi

Ex 6:17. 1Ch 6:17; 15:7; 26:21.