From April 21st

Did you know that in 2005, Harry Potter and the Half-Blood Prince sold 13.5 million copies, more than any other book in America? (In fact, more than the top 13 bestsellers put together. The Broker by John Grisham sold 1.8 million, and The Da Vinci Code, published in 2003, still sold over 1.5 million copies in 2005.)
So I’m cataloging the Ireland Law Reform Commission’s “Report on Nullity of Marriage.” This has to be one of the most fun, brainy twisty passages I’ve seen in a long time, especially if you try to figure it all out. Plus, I guess it’s nice that it’s explicitly stated that you can’t intermarry, but it’s disturbing that anyone would want to marry a relative, especially the ones listed.
“In Ireland (as of 1984), a man may not marry his
1. Grandmother
2. Grandfather’s wife
3. Wife’s grandmother
4. Father’s sister
5. Mother’s sister
6. Father’s brother’s wife
7. Mother’s brother’s wife
8. Wife’s father’s sister
9. Wife’s mother’s sister
10. Mother
11. Stepmother
12. Wife’s mother
13. Daughter
14. Wife’s daughter
15. Son’s wife
16. Sister
17. Son’s daughter
18. Daughter’s daughter
19. Son’s son’s wife
20. Daughter’s son’s wife
21. Wife’s son’s daughter
22. Wife’s daughter’s daughter
23. Brother’s daughter
24. Sister’s daughter
25. Brother’s son’s wife
26. Sister’s son’s wife
27. Wife’s brother’s daughter
28. Wife’s sister’s daughter

A woman may not marry her
1. Grandfather
2. Grandmother’s husband
3. Husband’s grandfather
4. Father’s brother
5. Mother’s brother
6. Father’s sister’s husband
7. Mother’s sister’s husband
8. Husband’s father’s brother
9. Husband’s mother’s brother
10. Father
11. Stepfather
12. Husband’s father
13. Son
14. Husband’s son
15. Daughter’s husband
16. Brother
17. Son’s son
18. Daughter’s son
19. Son’s daughter’s husband
20. Daughter’s daughter’s husband
21. Husband’s son’s son
22. Husband’s daughter’s son
23. Brother’s son
24. Sister’s son
25. Brother’s daughter’s husband
26. Sister’s daughter’s husband
27. Husband’s brother’s son
28. Husband’s sister’s son.”