A failure of issue not merely at the death of the party whose issue are referred to, but at any subsequent period, however remote. 1 Steph. Comm. 562. A failure of issue whenever it shall happen, sooner or later, without any fixed, certain, or definite period within which it must happen. 4 Kent, Comm. 274. Anderson v. Jackson, 16 Johns. (N. Y.) 399, 8 Am. Dec. 330; Downing v. Wherrin, 19 N. H. 84, 49 Am. Dec. 139; Huxford v. Milli- gan, 50 Ind. 546.