[Aristotelian]

What about all those anonymous sperm donors? Isn't it likely that half-brothers and half-sisters will couple?

[redheadtoo]

Frankly, I’m a little skeptical of the story. This has the ring of an urban myth to it.

[Antoninus]

Well, gee, the exact same logic that’s applied by homo-marriage advocates could be applied to let these two marry each other. After all, it’s only the “love” that counts. Everything else is secondary.

[ml66uk]

This whole story appears to be untrue. The only source is Lord Alton, hardly the most reliable witness, and no-one else seems to know what he’s talking about.

The President of the Family Division of the High Court Sir Mark Potter said the following:

“This is the first I have heard of it. I know of neither any judge who presided over such a case nor of the case itself.”