W. Va. Code § 41-3-7: Courts of equity may construe wills.

Notwithstanding any other provision of law, and notwithstanding there is no other ground of equity jurisdiction, courts possessing general equity powers shall have and take jurisdiction of a suit to construe an ambiguous will at the suit of the executor, or administrator with the will annexed, or of any beneficiary thereunder whose interests are affected by a construction of the ambiguous provision.