Thomas Syer - my 4th great grandfather. Birth abt 1791 in Norfolk County, England, United Kingdom
Married: Ann Dawson. Children: Thomas, Harriet, Ambrose and Nicholaus Syer.
Son Thomas Syer (1831-1890) married Elizabeth Smith (1836-1911) - this I know for sure.
Could Thomas Syer(b.1791) be a son of your William Syer?
Kind regards,
Jennifer.