If any cestui que trust shall die leaving a trust in fee simple to descend to his heir such trust shall be deemed and taken, and is hereby declared to be, assets by descent and the heir shall be liable to and chargeable with the obligation of his ancestors for and by reason of such assets as fully and amply as he might or ought to have been if the estate in law had descended to him in possession in like manner as the trust descended, any law, custom, or usage to the contrary in any wise notwithstanding.