See Dawes Commission Creek Freedman census card #292: Scott JACOBS is listed as the father of Charlie JACOBS and the mother is listed as Mary JEFFERSON. Her parents are James & Amy. Mary also shows a dau, Emma ALEXANDER, whose father is listed as Isaac ALEXANDER.

1900-IT-Creek Nation-ED 65-Sheet 3B:

Jefferson, James head dec 1854 45
Annie wife nov 1859 40
Rosa dau sept 1877 22 S
Mary dau dec 1878 21 *m1* 2-2
Lizzie dau dec 1880 19
John son mar 1883 17
Rola son feb 1888 12
George Ann dau 1890 10
Polly dau feb 1892 8
Edward son may 1898 2
Ida g-dau dec 1894 5 (listed as illegitimate on card #292-dau of Rose and Wash GOODNER)
Charles g-son sept 1898 2
Abe g-son apr 1899 1

Mary is listed as having spouse, but is using her maiden name for this census.

Hope this is useful.
Preston