Ramathite
RAMATHITE rā’ mə thīt (רָֽמָתִ֑י, rāmāthī). A native of Ramah. David’s vine-dresser is called a Ramathite (1 Chron 27:27), but which of several towns of this name is meant is not known.
International Standard Bible Encyclopedia (1915)
So Shimei is called who was set by David over the vineyards (1Ch 27:27). There is nothing to show to which Ramah he belonged.