Robert was the first born child of William and Etheldra Clement.
He is listed on the 1880 Wise Co. TX Census with his parents and brother Levi and sister Ellen.
He is listed in the Pottawatomie Co. OK Marriage Book 2A on his application for a marriage license to Sarah E. Dunham as a resident of Shawnee. He listed his color as Indian.
Witnesses to the marriage performed by Elder, W. D. Ward, were William Clement and J. R. Dunham.
Robert and Sarah are listed on the 1900 Indian Territory Census.
They are listed on the 1910 McClain Co. OK Census: Robert E. Clement 36, Sarah E. 33, Arville R. 9, Marion E. 7, Riley E. 5.
They are listed on the 1920 McClain Co. OK Census: Robert E. 48, Sarah E. 42, Arville 18, Marion 16, Riley 14, Edith 8.
They are listed on the 1930 McClain Co. OK Census: Robert E. 58, Sarah 52, Marion 27, Riley 24, Edith 18, Hurby Dunham (a nephew) 16.
For many years, Robert and Sarah and their family lived in McClain Co. OK, but moved back to Pottawatomie Co. in the 1930s. They are listed on the 1930 McClain Co. OK Census, p. 9B, living in the ColbertTownship. Living nearby is Sarah's mother, Nauvice Dunham, age 68, living in the household of Lemuel Grisham and his wife Maudie. Maudie is Sarah's sister. Robert and Sarah's eldest child, Arville Clement is also listed in the household of Lemuel Grisham.
Robert and Sarah are both buried in Prairie View Cemetery, Macomb, PottawatomieCo. OK.