And she made a vow and said, “Lord of armies, if You will indeed look on the affliction of Your bond-servant and remember me, and not forget Your bond-servant, but will give Your bond-servant a son, then I will give him to the Lord all the days of his life, and a razor shall never come on his head.”

Samuel Is Born to Hannah

Then they got up early in the morning and worshiped before the Lord, and returned again to their house in Ramah. And Elkanah had relations with Hannah his wife, and the Lord remembered her.

this will not become an obstacle to you, or a troubled heart to my lord, both by having shed blood without cause and by my lord’s having avenged himself. When the Lord deals well with my lord, then remember your slave.”