Law governing transfers of family property has long struggled with questions of survivorship in their many and varied forms. Important results can and regularly do turn on how such issues are resolved.
Waggoner, Lawrence W. "The UPC's New Survivorship and Antilapse Provisions." E. C. Halbach, co-author. Alb. L. Rev. 55, no. 4 (1992): 1091-149.