If property is conveyed or transferred to a person designated as a trustee but the conveyance or transfer does not identify a trust or disclose the name of any beneficiary, the person designated as trustee may convey, transfer, or encumber the title of the property without subsequent question by a person who claims to be a beneficiary under a trust or who claims by, through, or under any undisclosed beneficiary or by, through, or under the person designated as trustee in that person's individual capacity.
Official text of the Texas Property Code as published by the Texas Legislative Council.