Exodus 32:28

And the children of Levi did according to the word of Moses,.... They girded their swords by their sides, went through the camp, and slew their brethren, companions and neighbours, who were keeping holy day in honour of the idol:

and there fell of the people that day about three thousand men; the Vulgate Latin version reads 23,000, very wrongly; now these being chiefly, if not altogether, of the tribe of Levi, the brethren, companions, and neighbours of the Levites, that were the slayers, together with the after plagues that came upon them, Exodus 32:35 account for the deficiency of males in this tribe, some few months after, when it was numbered; and the number of them from one month old and upwards amounted but to 22,000, which was but a very small one in proportion to the other tribes, who generally, one with another, numbered 40,000 each, and none so few as 30,000 r; of this tribe Aaron was, and therefore used with severity, because of his concern in this sin; and even though it was the tribe of Moses, it was not spared.

r See the Bishop of Clogber's Chronology of the Hebrew Bible, p. 360, 362.