Nope. Just married to each other, and I didn't even exist then, because I managed to wipe myself out of existence... it's a long and confusing story, involves cracks in the universe. Amy sorted it out, though.
I can regenerate into anything human-shaped, I think. Or other things, depending on where I die. I've heard of people turning into women if they want to, but the Time Lords broke my ability to choose when they exiled me...