Guess it doesn't matter that much in the grand scheme of things.

EDIT: Nope, I was wrong, but she does have a few brothers in the Unsullied.

We saw Oberyn's squire or whoever wiping his blade with something, so I'm guessing that's when the poison was applied. As for the combat, YUUUGHH, made me wanna wear protective goggles all the time now. All that screaming makes it so much harder to watch than it is to read through, but I thought Mountain was gonna punch his brains out, not squish it out, oh well, still made an impact to say the least....