Step-mother

The step-mother was very cruel to the twins, and beat them, and half-starved them, and constantly drove them out of the house.

Source: tatoeba (3884603)

So the children left the house together; and the little sister, who was very wise for her years, said to the brother: "We will first go and see our own dear grandmother, and tell her where our step-mother is sending us."

Source: tatoeba (3884611)

Your step-mother is not sending you to her granny, but to a wicked witch who lives in that great gloomy wood.

Source: tatoeba (3884615)

They were so terrified that they hid behind one another, and said: "Good-morning, granny; our step-mother has sent us to wait upon you, and serve you."

Source: tatoeba (3884620)