One or more grandparents or the issue of grandparents (as hereinafter defined), and no spouse, issue, parent or issue of parents, one-half to the surviving paternal grandparent or grandparents, or if neither of them survives the decedent, to their issue, by representation, and the other one-half to the surviving maternal grandparent or grandparents, or if neither of them survives the decedent, to their issue, by representation; provided that if the decedent was not survived by a grandparent or grandparents on one side or by the issue of such grandparents, the whole to the surviving grandparent or grandparents on the other side, or if neither of them survives the decedent, to their issue, by representation, in the same manner as the one-half. For the purposes of this subparagraph, issue of grandparents shall not include issue more remote than grandchildren of such grandparents. - See more at:
N.Y. EPT. LAW 4-1.1 NY Code - Section 4-1.1 Descent and distribution of a decedent s estate