David, age 78, has begun working on an overall estate plan. David, has begun establishing several different trusts. Of the following list of beneficiaries listed in David's trusts, who wo GSTT? Jenna, age 31, David's wife. Tiffany, age 22, David's son Brad (age55) girlfriend. Peter, age 25, David's grandson, whose mother is living, but whose father (David's sone) is deceased. O Bill, David's 81-year-old lifelong neighbor