Couldn't you just make it a little bigger

Serioulsy, your sig is massive. I don't like so big signatures, even though mine used to be that big in the past, too.

Also, I like centered banners a little more, and not just put on the left side. The Seymour banner is well made, but it's a little dark. Your family tree's fonts are too large and consume the biggest part of your sig.
Finally, the certificate of marriage is supposed to be fuuny, and that's what it is. But again, wouldn't it look better if it was in thje center and not on the left? (And without lord Seymour )

All in all, 7.5/10