Charles Ellicott Commentary 1 Chronicles 29:8

"And they with whom [precious] stones were found gave them to the treasure of the house of Jehovah, under the hand of Jehiel the Gershonite." — 1 Chronicles 29:8 (ASV)

And they with whom precious stones were found gave them. —Literally, And with whom there was found stones, they gave to the treasure. (Compare, for this use of the article as a relative, 1 Chronicles 29:17, 1 Chronicles 26:28; Ezra 8:25.)

The treasure of the house of the Lord. — 1 Chronicles 26:22. (Compare Exodus 35:27 for a similar contribution of the princes.)

By the hand of Jehiel. —Under the charge of Jehiel (‘al yad, 1 Chronicles 25:2). Jehiel, or Jehieli, was the Gershonite clan in charge of the treasures of the house of God (1 Chronicles 26:21–22).