Looking for John Allen b. abt 1809 Ohio. Married Catherine abt 1828-30 prob. Ohio. Had children: 1) Elizabeth b. abt 1831; (2.) Martha b.abt 1834 (3) Robert b. abt 1839 and John b. abt. 1841 all bn. Ohio. This family can be found on the 1850 census in New Orleans, LA. with John as a bar keeper. After 1850 census they disappear. Any help appreciated.