The father of the decedent did not forfeit his intestate share of his deceased son’s estate because the adult son was unable to walk, but was not mentally impaired or unable to care for himself, and so was not a “dependent child” within the meaning of 20 Pa.C.S. § 2106(b). Estate of Charles L. Small, 8 Fid.Rep.3d 229, No. 617 DE of 2017 (O.C. Philadelphia 6/7/2018), aff’d, 744 EDA 2018 (Pa. Super. 1/28/2019).