In Andresakis v. Modisett, the trustors signed trust agreements in 1976 and 1981, and each agreement created three trusts, one for their daughter, one for their son, and a third trust for their only grandchild, Andresakis. No. 07-16-00003-CV, 2017 Tex. App. LEXIS 42 (Tex. App.—Amarillo January 4, 2017, no pet. history). The agreements provided