Можно картинку, а то не понятно что писать тебе.
Ну вот:
1 Mag(Bill) is a granddaughter(grandson) for her(his) grandmother.
2 Mag(Bill) is a gaughter(son) for her(his) father.
3 Mag(Bill) is a sister(brother) for her(his) sister.
4 Mag(Bill) is a granddaughter(grandson) for her(his) grandfather.