Genesis 22:9-12 [22:9] And they came to the place which God had told him of; and Abraham built an altar there, and laid the wood in order, and bound Isaac his son, and laid him on the altar upon the wood. [22:10] And Abraham stretched forth his hand, and took the knife to slay his son . [22:11] And the angel of the LORD called unto him out of heaven, and said, Abraham, Abraham: and he said, Here am I. [22:12] And he said, Lay not thine hand upon the lad, neither do thou any thing unto him: for now I know that thou fearest God, seeing thou hast not withheld thy son, thine only son from me. (Abraham dedicated his son Isaac by offering him as a sacrifice to the Lord.)
I Samuel 1:26-28 [1:26] And she said, Oh my lord, as thy soul liveth, my lord, I am the woman that stood by thee here, praying unto the LORD. [1:27] For this child I prayed; and the LORD hath given me my petition which I asked of him: [1:28] Therefore also I have lent him to the LORD; as long as he liveth he shall be lent to the LORD. And he worshipped the LORD there. (Hannah dedicated Samuel to the Lord before Eli.)
Luke 2:21-22 [2:21] And when eight days were accomplished for the circumcising of the child, his name was called JESUS, which was so named of the angel before he was conceived in the womb. [2:22] And when the days of her purification according to the law of Moses were accomplished, they brought him to Jerusalem, to present him to the Lord; (Joseph & Mary dedicated Jesus to the Lord.)