'Mother's' in the Bible

And Abimelech the son of Jerubbaal went to Shechem to his mother’s relatives, and spoke to them and to the whole clan of the household of his mother’s father, saying,

And his mother’s relatives spoke all these words on his behalf in the hearing of all the leaders of Shechem; and they were inclined to follow Abimelech, for they said, “He is our relative.”

So he told her all that was in his heart and said to her, “A razor has never come on my head, for I have been a Nazirite to God from my mother’s womb. If I am shaved, then my strength will leave me and I will become weak and be like any other man.”