I've contributed to the National Geographic's Genographic Project, and now have the results of their 12-marker testing.

I'm a member of Haplogroup I (M170) (subclade I2b1 according to Whit Athey's Y-Haplogroup Predictor).

A while back I hit a wall in my family tree research because my paternal-line great-great-grandfather was unknown. It's occurred to me, though, that my Y-chromosome data offers an opportunity to reveal the identity of my mystery ancestor. The Prince of Wales perhaps? Or maybe just another Durham coal miner...

Anyway, here are my genetic markers:

393	19	391	439	389-1	389-2	388	390	426	385a	385b	392
15	15	11	11	14	16(=30)	13	24	11	16	16	12

If you're a close match for these markers, it would be great to hear from you!