Legal Question in Wills and Trusts in Virginia

You need to get a local attorney to prepare a deed from you to your son of "an undivided forty-nine percent interest" in the property. If you want the property to revert to the other upon the death of the first to die, you will have to let the attorney know; otherwise, the survivor of the two of you would own the property with the estate of the decedent, which estate would need to sell that interest to someone else or to the survivor.