Create the trust: You will need to draft and sign the trust document, detailing your terms and beneficiaries. Complete, ready-to-be-signed legal documents.Emailed to you in about an hour. In this guide, our Texas estate planning lawyers explain a living trust and the steps to set one up. We also discuss how to fund a living trust in Texas. Step 1: Fill out your court forms. Fill out the following starting forms: â—‹ Petition to Modify the Parent-Child Relationship. A Texas Deed of Trust creates a lien on property to secure a Promissory Note. These are two documents needed for real estate loans and seller financing. Please fill out the worksheet included this packet and submit the worksheet with your application.