1 Chronicles 26:28
"And all that Samuel the seer, and Saul the son of Kish, and Abner the son of Ner, and Joab the son of Zeruiah, had dedicated; and whosoever had dedicated any thing, it was under the hand of Shelomith, and of his brethren."
Cross References (ranked by relevance)
1 Samuel 9:9
(Beforetime in Israel, when a man went to enquire of God, thus he spake, Come, and let us go to the seer: for he that is now called a Prophet was beforetime called a Seer.)
1 Samuel 17:55
And when Saul saw David go forth against the Philistine, he said unto Abner, the captain of the host, Abner, whose son is this youth? And Abner said, As thy soul liveth, O king, I cannot tell.