Genesis 16:7-8 Now the Angel of the Lord found her by a spring of water in the wilderness, by the spring on the way to Shur. And He said, “Hagar, Sarai’s maid, where have you come from, and where are you going?” She said, “I am fleeing from the presence of my mistress Sarai.”
Genesis 18:2 So he lifted his eyes and looked, and behold, three men were standing by him; and when he saw them, he ran from the tent door to meet them, and bowed himself to the ground,
Genesis 21:17-18 And God heard the voice of the lad. Then the angel of God called to Hagar out of heaven, and said to her, “What ails you, Hagar? Fear not, for God has heard the voice of the lad where he is. Arise, lift up the lad and hold him with your hand, for I will make him a great nation.”