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1 John is Harry`s son, he is Margaret`s son too. 2 Harry is Margaret`s husband. 3 John is Sally`s brother. 4 Sally is Harry`s daughter, she is Margaret`s daughter too. 5 Harry and Margaret are John`s parents, they are Sally`s parents too. 6. Sally is John`s sister. 7 Margaret is Harry`s wife. 7 Sally and John are Harry`s children, they are Margaret`s children too.