1 Kings 2:39

And it came to pass at the end of three years, that two servants of Shimei's ran away to Achish son of Maachah, king of Gath. And they told Shimei saying, Behold, thy servants are in Gath.

1 Samuel 21:10

And David arose, and fled that day from before Saul, and went to Achish the king of Gath.

1 Samuel 27:2-3

And David arose and passed over, he and the six hundred men that were with him, to Achish, the son of Maoch, king of Gath.

Treasury of Scripture Knowledge

Summary

And it came to pass at the end of three years, that two of the servants of Shimei ran away unto Achish son of Maachah king of Gath. And they told Shimei, saying, Behold, thy servants be in Gath.

Bible References

Achish

1 Samuel 21:10
And David arose, and fled that day from before Saul, and went to Achish the king of Gath.
1 Samuel 27:2
And David arose and passed over, he and the six hundred men that were with him, to Achish, the son of Maoch, king of Gath.