In Moczygemba v. Moczygemba, a mother sold a ranch to two sons and later sued them for breach of fiduciary duty for not disclosing to her that the deeds also transferred mineral interests. No. 04-14-001100-CV, 2015 Tex. App. LEXIS 1536 (Tex. App.—San Antonio February 18, 2015, no pet. hist.). The
