2 Samuel 20:3
When David came to his palace in Jerusalem, he took the 10 concubines he had left to take care of the palace and placed them under guard.
2 Samuel 15:16
Then the king set out, and his entire household followed him. But he left behind 10 concubines to take care of the palace.
2 Samuel 16:21-22
Ahithophel replied to Absalom, “Sleep with your father’s concubines he left to take care of the palace.
Genesis 40:3
and put them in custody in the house of the captain of the guard