'Mother's' in the Bible

The girl ran and told her mother’s household about these things.

And Isaac brought her into the tent of his mother Sarah and took Rebekah to be his wife. Isaac loved her, and he was comforted after his mother’s death.

May peoples serve youand nations bow down to you.Be master over your brothers;may your mother’s sons bow down to you.Those who curse you will be cursed,and those who bless you will be blessed.

Go at once to Paddan-aram, to the house of Bethuel, your mother’s father. Marry one of the daughters of Laban, your mother’s brother.

When he looked up and saw his brother Benjamin, his mother’s son, he asked, “Is this your youngest brother that you told me about?” Then he said, “May God be gracious to you, my son.”

and we answered my lord, ‘We have an elderly father and a younger brother, the child of his old age. The boy’s brother is dead. He is the only one of his mother’s sons left, and his father loves him.’