Of the sons
ben  (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.

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of Gershom
Gershom  (gay-resh-ome')
Gereshom, the name of four Israelites -- Gershom.

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Joel
Yow'el  (yo-ale')
Jehovah (is his) God; Joel, the name of twelve Israelites -- Joel.

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the chief
sar  (sar)
a head person (of any rank or class) -- captain (that had rule), chief (captain), general, governor, keeper, lord, (-task-)master, prince(-ipal), ruler, steward.

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and his brethren
'ach  (awkh)
a brother (used in the widest sense of literal relationship and metaphorical affinity or resemblance (like 1) -- another, brother(-ly); kindred, like, other.

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an hundred
me'ah  (may-aw')
a primitive numeral; a hundred; also as a multiplicative and a fraction -- hundred(-fold), -th), + sixscore.

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and thirty
shlowshiym  (shel-o-sheem')
thirty; or (ordinal) thirtieth -- thirty, thirtieth. New American Standard Bible
of the sons of Gershom, Joel the chief, and 130 of his relatives;

King James Bible
Of the sons of Gershom; Joel the chief, and his brethren an hundred and thirty:

Holman Christian Standard Bible
from the Gershomites, Joel the leader and 130 of his relatives;

International Standard Version
from the descendants of Gershom, Joel their chief, along with 130 of his relatives,

NET Bible
From the descendants of Gershom: Joel the leader and 130 of his relatives.

GOD'S WORD® Translation
Leading Gershom's descendants was Joel, who came with 130 of his relatives.

King James 2000 Bible
Of the sons of Gershom; Joel the chief, and his brethren a hundred and thirty:1 Chronicles 15:7
1 Chronicles 15:7 NIV
1 Chronicles 15:7 NLT
1 Chronicles 15:7 ESV
1 Chronicles 15:7 NASB
1 Chronicles 15:7 KJV