The fact Cody Simpson was born in and is from Queensland, Australia and Jessica Simpson is of course American is the first obvious sign they are not related.
Jessica Simpson does have a famous sibling in the form of her younger sister Ashlee Simpson. Both have had singing careers as well as rather high-profile marriages and private lives.
Cody Simpson does have two siblings, a younger brother called Tom and a younger sister called Alli. Cody Simpson now lives in the United States after moving to LA in 2010 to work on his music.
You will find a lot more information about Cody Simpson at:
Another way of finding out more information about Cody Simpson and his latest news is to follow his social network accounts such as Facebook and Twitter. You will find Cody Simpson's official Twitter account at twitter.com/thecodysimpson . If you have a Twitter account then you just need to sign in and then click 'follow' on the page provided in order to be updated with all of Cody's Tweets. If you do not have a Twitter account yet then it is simple and free to sign up at twitter.com
If you would prefer to follow Cody Simpson's Facebook page then you need to head to facebook.com/cody-simpson Click 'like' on the page and you will see all his updates on your News Feed. However if you don't have a Facebook account then you will need to sign up for free at facebook.com