Before coming to Texas, Green DeWitt was the first sheriff of Ralls County,
Missouri 1821-1824. He petitioned Mexico in 1822 for permission to bring
settlers to Texas. That request was denied. With the help of Stephen F.
Austin and Baron de Bastrop early Texas Empresarios, the second request
was approved in the spring of 1825. DeWitt was given permission to settle
four-hundred respectable, industrious, Catholic families bounded by the
rivers of Guadalupe, San Marcos, and Lavaca. It would become the DeWitt
Colony. He in Monclova, Mexico seeking more land to expand his Colony.
DeWitt County, Texas bears his name.