GOD'S WORD® Translation
They were appointed to distribute them to males who were at least three years old. The way they were enrolled in the genealogical records did not matter. The six men who served under Kore were to distribute the offerings to everyone who went to the LORD's temple to perform the daily service that each division was responsible for.

American Standard Version
besides them that were reckoned by genealogy of males, from three years old and upward, even every one that entered into the house of Jehovah, as the duty of every day required, for their service in their offices according to their courses;

Berean Study Bible
In addition, they distributed portions to the males registered by genealogy who were three years of age or older—to all who would enter the house of the LORD for their daily duties for service in the responsibilities of their divisions—

Douay-Rheims Bible
Besides the males from three years old and upward, to all that went into the temple of the Lord, and whatsoever there was need of in the ministry, and their offices according to their courses, day by day.

English Revised Version
beside them that were reckoned by genealogy of males, from three years old and upward, even every one that entered into the house of the LORD, as the duty of every day required, for their service in their charges according to their courses;

King James Bible
Beside their genealogy of males, from three years old and upward, even unto every one that entereth into the house of the LORD, his daily portion for their service in their charges according to their courses;

World English Bible
besides those who were reckoned by genealogy of males, from three years old and upward, even everyone who entered into the house of Yahweh, as the duty of every day required, for their service in their offices according to their divisions;

Young's Literal Translation
apart from their genealogy, to males from a son of three years and upward, to every one who hath gone in to the house of Jehovah, by the matter of a day in its day, for their service in their charges, according to their courses;

2 Chronicles 31:16 Additional Translations ...