1. mamakyoudai   godson   stepbrother   stepsister   mother-in-law   Hint Half-n-half Clue   2. insekinooya, girinooya   stepdaughter   parents-in-law   sister-in-law   stepfather   Half-n-half Clue   3. chikyoudai   stepdaughter   great-granddaughter   foster sister   foster daughter   Half-n-half Clue   4. himago   great-grandson   foster father   foster son   parents-in-law   Half-n-half Clue   5. youfu   foster father   great-grandparents   daughter-in-law   stepbrother   Half-n-half Clue   6. mamachichi, keifu   stepsister   great-grandmother   stepfather   foster son   Half-n-half Clue   7. youjo   foster daughter   great-grandparents   daughter-in-law   sister-in-law   Half-n-half Clue