statute of limitations for heirship proceedings

In the Estate of Trickett, two petitioners filed an heirship proceeding to establish their status as the sole heirs and rightful owners of a royalty interest. No. 13-19-00154-CV, 2020 Tex. App. LEXIS 3949 (Tex. App.—Corpus Christi May 14, 2020, no pet. history). Others opposed the application as they claimed the same interest from the