A future interest depending on the contingency of the death of any person without successors, heirs, issue, or children is defeated by the birth of a posthumous child of such person, capable of taking by succession.
Mont. Code Ann. § 70-1-422
Future interest contingent on death without children -- how defeated
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.