It's nice to hear from you.What I have about William and Rosannah Hobson Allen hopefully will help you.Rosannah was born May 1830 in IN.She died Sept 11, 1911 in Fulton State Hosp, Fulton, Calloway County, MO.William was born about 1815 in KY, was married 9-18-1846 in Steelville, Crawford County, MO. and died after 1880 in MO.
Their known children were as follows:
Sarah born abt 1849
George Washingtonb 5-22-1856 in MOd 3-18-1936 in CA
ElizabethbJan 1858d 1933
Marion Francisb 3-2-1862d 4-13-1951
Aaronb abt 1863d ????
William's parents wereIsaiah Allen and Rachel Brown Allen
I do have a little more about the Allen family if you're interested in it.