From History of Allegheny County, Pennsylvania:
Dr. G. R. B. Robison, physician and surgeon, and the oldest member of the medical profession in Sharpsburg, was born in Morgan town. W. Va., in 1832, the youngest of the twelve children of James Robison, a prominent farmer of West Virginia.He married Anna W., daughter of Hebron Robinson, of Lawrenceburg, Pa., and three children blessed their union, two of whom are living: Hebron and Mary. Mrs. Robison died in 1873, and the doctor afterward married Virginia H., daughter of Jonathan Hagan, of Allegheny county.
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