The only real way to determine the exact heritage of your hops is through DNA analysis. You may be able to find a lab that can do it for you: For example: http://www.biogeneticservices.com/plant_genotyping.htm
You can try to get an approximation by submitting a sample for quality testing (alpha, beta, essential oils, His, etc.) and compare it to other varieties as well. Here is an example: http://aatestlabs.com/
Hope this helps!