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Johnson's paternal grandparents were:Andrew William Johnson / Johnston ( c. 1747-1795)

Hannah Hinkle ( April 9, 1750- 1780)

Maternal grandparents:Andrew C McDonough ( Nov30, 1759 - Jan 20, 1846 )

Mary Ruth Lindley Abercrombie ( (Aug 1764 - June 10, 1852 )

Sarah Elizabeth Patterson McDonough( ? - c 1818), wife of Andrew McDonough.

Andrew Johnson's mother was born out of wedlock, Sarah was her step-mother.

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