1 Samuel 23:6-9

ASV_Strongs(i)
  6 H54 And it came to pass, when Abiathar H1121 the son H288 of Ahimelech H1272 fled H1732 to David H7084 to Keilah, H3381 that he came down H646 with an ephod H3027 in his hand.
  7 H5046 And it was told H7586 Saul H1732 that David H935 was come H7084 to Keilah. H7586 And Saul H559 said, H430 God H5234 hath delivered H3027 him into my hand; H5462 for he is shut in, H935 by entering H5892 into a town H1817 that hath gates H1280 and bars.
  8 H7586 And Saul H8085 summoned H5971 all the people H8085 to H4421 war, H3381 to go down H7084 to Keilah, H6696 to besiege H1732 David H582 and his men.
  9 H1732 And David H3045 knew H7586 that Saul H2790 was devising H7451 mischief H559 against him; and he said H54 to Abiathar H3548 the priest, H5066 Bring hither H646 the ephod.