'Mother' in the Bible

And after this it came to pass, that David smote the Philistines, and subdued them: and David took the bridle of the mother city out of the hand of the Philistines.

And Absalom set Amasa over the host instead of Joab. Now Amasa was the son of a man, whose name was Ithra the Israelite, that went in to Abigal the daughter of Nahash, sister to Zeruiah, Joab's mother.

Let thy servant, I pray thee, turn back again, that I may die in mine own city, by the grave of my father and my mother. But behold, thy servant Chimham; let him go over with my lord the king; and do to him what shall seem good unto thee.

I am of them that are peaceable and faithful in Israel: thou seekest to destroy a city and a mother in Israel: why wilt thou swallow up the inheritance of Jehovah?