At the time the original posting in this string was written, the name of John and Susan Oldfield's fourth child, a girl born around 1834, was not known.
Susan Oldfield's 1876 will identifies this daughter as Harriet Seymour of Rochester. Harriet was born in 1834 or 1835 according to most censuses, although the 1900 lists her as having been born in February of 1832.She married around 1852 Christian Seymour, b ca 1829 Hesse-Cassel or Hesse-Darmstadt, d 1896-1900 prob Buffalo NY.Harriet was listed as a widow there in the 1900 census.
When one of Susan's granddaughters married at Rome in 1896, a local newspaper reported that among the attendees from out of town were Mr. and Mrs. C. Seymour, Frank Seymour and "Miss" Susie Parks of Buffalo and John Seymour of Rochester.
The Canadian census of 1861 shows the Seymour family at "Canada West, York, No. 9 St. Patrick's, Dist. 4", living on Queen Street. In 1870 they were in Rochester, Monroe Co NY, and in 1880 at Buffalo, Erie Co NY.
Children of Christian and Harriet were:
1. Charles A. Seymour, b Jun 1853 NY, according to the 1900 census. 2. John H. Seymour, b ca 1855 NY 3. William Frederick Seymour, b ca 1859 Canada 4. Addie Seymour, b ca 1861 Canada 5. Susan Mary Seymour, b ca 1864 Canada, m Samuel H. Parks. Samuel was working in a whip shop and boarding in the Seymour household at Buffalo in 1880. 6. Hattie Seymour, b ca 1867. (Not found in her parents' household in 1880.) 7. Frank Seymour, b ca 1871 NY.