Original Grantee: Jose Marcelo Hinojosa
In 1809, Jose Marcelo Hinojosa settled at Palo Blanco.
In 1835, Jose Marcelo Hinojosa was granted Palo Blanco by the State of Tamaulipas.
Rafael Hinojosa inherited a portion of Palo Blanco from Jose Marcelo Hinojosa.
Maria Antonia Hinojosa inherited a portion of Palo Blanco from Jose Marcelo Hinojosa.