You are probably looking for Joseph Iredale/Fredalo and Hannah Watson, father and mother of Joseph christened Jan. 20, 1827 and Thomas Watson born October 11, 1830 and baptized Nov. 28, 1830, Graveley, Hertford, England. Joseph and Hannah had nine children that I'm aware of. You can look it up in the Latter Day Saints website. I think the father and mother of Joseph Iredale that married Hannah Watson is Joseph Iredale/Tredale and Frances Ellard/Ellerd who were married Sept. 16, 1794, Wheathampstead, Hertford, England. They had six children that I can find. You can see that there has been some transcription errors that I have included. at this point. Hope this is of some assistance to you.