Exodus 1:19
The midwives said to Pharaoh, "Because the Hebrew women aren't like the Egyptian women; for they are vigorous, and give birth before the midwife comes to them."
Joshua 2:4-24
The woman took the two men and hid them. Then she said, "Yes, the men came to me, but I didn't know where they came from.
1 Samuel 21:2
David said to Ahimelech the priest, "The king has commanded me a business, and has said to me, 'Let no man know anything of the business about which I send you, and what I have commanded you; and I have appointed the young men to such and such a place.'
2 Samuel 17:19-20
The woman took and spread the covering over the well's mouth, and spread out bruised grain on it; and nothing was known.