Exodus 1:19
And the midwives said unto Pharaoh, Because the Hebrew women are not as the Egyptian women; for they are lively, and are delivered ere the midwife come unto them.
Joshua 2:4-24
And the woman took the two men, and hid them; and she said, Yea, the men came unto me, but I knew not whence they were:
1 Samuel 21:2
And David said unto Ahimelech the priest, The king hath commanded me a business, and hath said unto me, Let no man know anything of the business whereabout I send thee, and what I have commanded thee: and I have appointed the young men to such and such a place.
2 Samuel 17:19-20
And the woman took and spread the covering over the well's mouth, and strewed bruised grain thereon; and nothing was known.