Von Hippel Lindau is a genetic disease which is autosomal in nature and dominant. Basically, people with VHL have a genetic defect in the third chromosome that has a 50% chance of being passed onto offspring. De novo mutations, mutations without family history, are people with VHL who do not have a parent or other close relative with VHL, and is present in 20% of VHL cases, the other 80% have been genetically passed on.