Jacob married Roxa Ellen DAILEY in Feb 1875. Roxa (daughter of William Millard DAILEY and Eunice Blair WOODMAN) was born in 1856 in Knox Co., IL; died on 12 Mar 1886; was buried in Platteville Cemetery, Platteville, Taylor, IA. [Group Sheet] [Family Chart]

Jacob married Alice UNKNOWN about 1888. Alice was born in Oct 1864 in IL. [Group Sheet] [Family Chart]

1. Thomas J. JEFFERSON was born in Apr 1891 in IA.
2. Orlando JEFFERSON was born in Mar 1893 in IA.
3. Jessie M. JEFFERSON was born in Apr 1895 in IA.
4. Freddie A. JEFFERSON was born in Mar 1897 in IA.
5. Melvin P. JEFFERSON was born in Jan 1900 in IA.
6. James R. JEFFERSON was born about 1908 in IA.