Weiss Will

Opinion by

Mr. Justice Jones,

The appellant is a son of the decedent and a legatee under her alleged last will, here involved, which was probated before the Register of Wills of Philadelphia County who granted letters testamentary thereon to the proponent-executor.. On petition of the decedent’s daughter, alleging a want of testamentary capacity *458and undue influence in respect of her mother’s execution of the testamentary writing, the Orphans’ Court, after a hearing, allowed an appeal from the probate but limited the issue devisavit vel non to whether the decedent lacked testamentary capacity at…