Order affirmed, with costs to all parties appearing separately and filing separate briefs payable out of the trust estate. Certified questions Nos. 1 and 4 answered in the negative; certified questions Nos. 2 and 3 not answered,
Concur: Judges Desmond, Dye, Fuld and Yah Voorhis. Judge Burke dissents in the following opinion in which Chief Judge C'ohway and Judge Froessel concur.