Numbers, Family, and Months

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Across
  1. 3. the parent's son
  2. 6. the parent's daughter
  3. 8. 90-10=
  4. 10. the mother of your father
  5. 11. the second month of the year
  6. 14. 30+0=
  7. 16. 40+50=
  8. 17. the daughter of your grandparents
  9. 18. 30-10=
  10. 20. the father of your mother
Down
  1. 1. the child of your aunt and uncle
  2. 2. the son of your grandparents
  3. 3. your aunt is your mother's...
  4. 4. the sister of your mother
  5. 5. 28+22=
  6. 7. 12-1=
  7. 9. 80-40=
  8. 12. the brother of your father
  9. 13. your uncle is your father's...
  10. 15. the fourth month of the year
  11. 17. the third month of the year
  12. 19. the first month of the year