If you are a supporter of same sex marriage, please let me know your argument for why siblings should not marry. If your answer is, because their kids could be messed up because of potential genetic defects, then what if we allowed siblings to marry as long as they were sterilized or unable to have children? Or as long as it was sister-sister or brother-brother?

Seriously, I’m interested in rational reasoning concerning this point. I don’t think that you can rationally actually argue FOR homosexual marriage and AGAINST close-relative-without-possibility-of-kids marriage.

Only the Bible provides a basis for marriage, and any rational reasoning for that matter. Man’s way is a way that leads to death, but God’s way is a way that leads to life. Proverbs 14:12, Psalm 119:155

Added 07/21/2010 – Apparently I’m not the first person to wonder about this, read this article from an honest professional who is actually on the other side of the argument.

Added 06/28/2013 – If you are reading, I suggest reading the comments, too, as there is a lot of information there.

Added 07/14/2014 – Wow. This post was written only 4 years ago and it seems we are seeing the tide roll. View this article titled: Australian Judge Says Incest May No Longer Be a Taboo

What I did not specifically predict in 2010 is that the method proposed for preventing children in the incestuous relationship is none other than abortion. How devious and sickening.