(December 23, 2020, 10:14 AM EST) -- LAKE CHARLES, La. — A Louisiana appeals court on Dec. 9 affirmed a trial court’s dismissal of a petition filed by a decedent’s adult children seeking to annul their father’s updated will and family trust, concluding that while the decedent had been diagnosed with dementia, no evidence was presented that he did not understand what he was signing (In re Succession of Westerchil, No. 20-192, La. App., 3rd Cir., 2020 La. App. LEXIS 1785)....