Закончить предложения: my sister is my parents` my grandmother`s parents are my my brother is my grandparents` mrs brown is her great-grandchildren`s my grandfather`s father is my

My sister is my parents` daughter.
My grandmother`s parents are my great-grandparents.
My brother is my grandparents` grandson.
Mrs Brown is her great-grandchildren`s great-grandmother.
My grandfather`s father is my great-grandfather.