Your signature authorized it and granted the existence of the trust account. The SS-5 application was for the Social Security number account. The signature that you signed with
-- was it qualified or unqualified? It was most likely "Unqualified" at that time.
So the trust was formed and you didn't say anything as the Trustee and the trust has gone dead and they are construing the trust and operating the trust without you. You need to go back in and straighten all that mess up by making another SS-5 application (tell them you lost your SS card) and give the qualified signature on the application.
Your Mother, a woman, a living soul, created by God, of flesh and blood, very much alive; went into the "foundling" (a safe place to abandon a child) hospital believing she would get care but instead was falsely declared indigent, a pauper. Important: See Full Report Here