Howard Durie has Jeff Seth Duree as the son of Francis Marion Duree b 21 May 1837, and his fourth wife, Anna Forbes.

Francis Marion Duree m.(1)14 Feb 1860 in Keokuk Count, IA Anna Duree be 1838, his first cousin. she died in childbirth 1869. Children of Francis Marion and Anna Duree were John Will, Michael Columbus, Sarah Etta, Daniel Edward.

Francis Marion m.(2) 15 Sept 1871 in Wapello County, IA to Mrs. Elizabeth Perkins. She d.1872 in childbirth.

Francis Marion m.(3)19 Sept 1872 in Wapello County, IA to Mary E. Cook b. 1854. She d. 1884 and was bur at Ottumwa, IA.
Francis Marion m.(4) 11 Oct 1885 in Sigourney, IA, Anna Forbes b. 1866 in KS. Children of Francis Marion and Anna
Forbes were Samuel Omer, Mabel, Myrtle Jane, Blanch, and Jeff Seth.

Jeff Seth was born 13 July 1890. He married Rovana (unknown surname). According to Howard Durie, he was property man at the President Theatre in Des Moines, IA. He d. 20 Feb 1930 at 1914 East 23rd Street, Des Moines and was bur. in the Laurel Hill Cemetery.

NO children are listed. Perhaps this was not his only marriage.