In Riverside and Memorial Garden Cemetery in Fort Morgan, Morgan County, Colorado is a listing of the people you are looking for.
Shepard, James A. b. 1854 d. 1918 buried Section B Blk. 1 Lot 1 Remarks are Mrs. J.A. ( 27 Feb 1919) ss(samestone) C.D.

Shepard, Clara Lee b. 1881 d. 3 July 1925 Section B Blk. 1 Lot 1 Remarks are Shepard, Mrs. J.A. ss Charlotte

Shepard, Charlotte D. b. 1856 d. 12 Jan 1933 Section B Blk. 1 Lot 1 Remarks are Shepard, Mrs. J.A (Lottie Belle) ss James

This information is taken from the Book Cemeteries of Morgan County, Page. 190