My mother is his mother .my father is his father .who

My mother is his mother. My father is his father. Who is he?

He is my brother. Моя мама - его мама. Мой отец - его отец. Кто он? Он мой брат.

My mother is her mother. My father is her father. Who is she? She is my sister. Моя мама - ее мама. Мой отец - ее отец. Кто она такая? Она моя сестра.

My mother is her grandmother. My father is her grandfather. Who is she? She is my daughter.   Моя мама - ее бабушка. Мой отец - ее дедушка. Кто она такая? Она моя дочь.