'Male and Female' in the Bible

Now you are proposing to subjugate for yourselves the people of Judah and Jerusalem for male and female slaves. Surely, do you not have transgressions of your own against the Lord your God?

Then Jeremiah chanted a lament for Josiah. And all the male and female singers speak about Josiah in their lamentations to this day. And they made them an ordinance in Israel; behold, they are also written in the Lamentations.