NET

16 “Brothers, the scripture had to be fulfilled that the Holy Spirit foretold through David concerning Judas—who became the guide for those who arrested Jesus—

Darby

16 Brethren^D7704, it was necessary that the scripture should have been fulfilled, which the Holy Spirit spoke before, by the mouth of David, concerning Judas, who became guide to those who took Jesus;

Darby Bible Notes

Brethren - Lit. 'men brethren.' This is a Hebraism, and means no more than 'brethren.'

KJV

16 Men [and] brethren, this scripture must needs have been fulfilled, which the Holy Ghost by the mouth of David spake before concerning Judas, which was guide to them that took Jesus.