Robert would have been 9 or 10 years old at the time of the 1870 census. I believe the ten year old boy named Robert enumerated in the household of Becca Mixon is my grandfather. I doubt that she was his mother or the mother of all these other children but it appears that she raised them. They were living in Wilcox County, Rehobeth P.O., dwelling #402, in the years following the Civil War. 

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Name		Race	Gender	Age	Occupation	Birthplace
Mixon	Becca	Black	Female	35 yrs	Farm laborer	Alabama
---	Tom	Black	Male	15 yrs	Farm laborer	Alabama
---	Jane	Black	Female	13 yrs	Farm laborer	Alabama
---	Robert	Black	Male	10 yrs	- - -	Alabama
---	Henry	Black	Male	10 yrs	- - -	Alabama
---	June	Black	Female	12 yrs	- - -	Alabama
---	Margaret	Black	Female	6 yrs	- - -	Alabama
---	Willy	Black	Male	8 yrs	- - -	Alabama
---	Columbus	Black	Male	7 mos	- - -	Alabama