Use "of unsound mind" em uma frase

1. The reason being the will can be contested later on the basis that force was involved in the signing of the will and the person was of unsound mind when doing so

2. There master Courtenay, sitting in his own chamber, gave his rede and master Justice Andrews, sitting without a jury in the probate court, weighed well and pondered the claim of the first chargeant upon the property in the matter of the will propounded and final testamentary disposition in re the real and personal estate of the late lamented Jacob Halliday, vintner, deceased, versus Livingstone, an infant, of unsound mind, and another