William Horn
William was born before 1790 in Devonshire, England.  He died after 1808 in Devonshire, England.

 Elizabeth Horn
Elizabeth was born in 1803 in Devonshire, England.  She died at the age of 84 in 1887 in Illinois or Missouri.

 Ellen Horn
Ellen was born in 1808 in Devonshire, England.  She died at the age of 84 in 1892 in England.

 William John Horn
William John was born in 1813 in Devonshire, England.  He died at the age of 65 in 1878 in Woodhull, Henry County, Illinois.