Some time later, war broke out with the Philistines at Gezer. At that time Sibbecai the Hushathite killed Sippai, a descendant of the Rephaim, and the Philistines were subdued.
KJV
And it came to pass after this, that there arose war at Gezer with the Philistines; at which time Sibbechai the Hushathite slew Sippai, [that was] of the children of the giant: and they were subdued.
ASV
And it came to pass after this, that there arose war at Gezer with the Philistines: then Sibbecai the Hushathite slew Sippai, of the sons of the giant; and they were subdued.