Joshua 8:25
Twelve thousand men and women died that day, including all the men of Ai.
Deuteronomy 20:16-18
As for the cities of these peoples that the Lord your God is going to give you as an inheritance, you must not allow a single living thing to survive.
Treasury of Scripture Knowledge
Summary
And so it was, that all that fell that day, both of men and women, were twelve thousand, even all the men of Ai.
General references
Bible References
General references
Numbers 31:15
Moses said to them, "Have you allowed all the women to live?