Alex, actually, it is not Cattleya hybrid but rather an Oncidium.
Here is the genealogy
http://www.orchid.or.jp/orchid...
Hmm, it won't let me post the correct page. So -
Take the sixth link on the left side of that page and that will get you to the Oncidium page. Now click on the lowest link which is Hwra Lava Burst and you can see the parentage of your plant.
