27 Shimei had sixteen sons and six daughters, but his brothers did not have many children; so their entire clan did not become as numerous as the people of Judah.

Read 1 Chronicles 4:27 Using Other Translations

And Shimei had sixteen sons and six daughters; but his brethren had not many children, neither did all their family multiply, like to the children of Judah.
Shimei had sixteen sons and six daughters; but his brothers did not have many children, nor did all their clan multiply like the men of Judah.
Shimei had sixteen sons and six daughters, but none of his brothers had large families. So Simeon’s tribe never grew as large as the tribe of Judah.