Jeremiah 25:20; Jeremiah 47:1; Jeremiah 47:5

20 and all the foreign people, all the kings of the land of Uz, all the kings of the land of the Philistines (even Ashkelon, Gaza, Ekron and the remnant of Ashdod );
1 That which came as the word of the LORD to Jeremiah the prophet concerning the Philistines, before Pharaoh conquered Gaza.
5 "Baldness has come upon Gaza; Ashkelon has been ruined. O remnant of their valley, How long will you gash yourself?