Membership in DRT is open to women at least sixteen years of age who are personally acceptable to the association and who can prove lineal descent from men and women who rendered loyal service to Texas prior to its annexation in 1846 by the United States. Acceptable loyal service includes colonization with Stephen Fuller Austin’s “Old Three Hundred” or by the authority of the Spanish, Mexican, or Texas Republican governments; military service to the Spanish, Mexican, or Texas Republican governments during the appropriate era; loyal citizenship of the Republic of Texas prior to annexation; or receipt of land grants authorized by the Provisional Government of the Republic of Texas.