'Mother' in the Bible

and Amasa hath Absalom set instead of Joab over the host, and Amasa is a man's son whose name is Ithra the Israelite who hath gone in unto Abigail, daughter of Nahash, sister of Zeruiah, mother of Joab;

Let, I pray thee, thy servant turn back again, and I die in mine own city, near the burying-place of my father and of my mother, -- and lo, thy servant Chimham, let him pass over with my lord the king, and do thou to him that which is good in thine eyes.'

I am of the peaceable -- faithful ones of Israel; thou art seeking to destroy a city, and a mother in Israel; why dost thou swallow up the inheritance of Jehovah?