Key was born in Redland, Frederick County, Maryland, to English parents Francis Key, whose parents had come to Maryland in 1726, and his wife Ann Arnold (Ross) Key.
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John Ross Key
www.geni.com/people/Capt-John-Ross-Key-Continental-Army/6000000000137794513

John Ross Key September 19, 1754 Birthplace: Fred Co., Md - October 13, 1821 in Frederick, MD

Francis Key
father
Ann Arnold Key (Ross)
mother

Anne Key February 6, 1756 Birthplace: Fred., MD, United States - July 8, 1830 in Baltimore, Md. [Anne Phoebe Penn Dagworthy Key (Charlton)]
wife

Ann Key December 15, 1777 Birthplace: Frederick City, Frederick, Maryland, USA - July, 1777 in Frederick City, Frederick
daughter
Francis Scott Key, (US)
son
Catherine Key December 15, 1781 - August 10, 1782
daughter
Anne Taney June 13, 1783 Birthplace: Pipe Creek - Died September 29, 1855 in Baltimore, Baltimore
daughter
John Alfred Key 1784 Birthplace: , Frederick, Virginia??, - December 19, 1841 in Edgefield, Edgefield, South Carolina
son
Samuel Key circa 1785 Birthplace: Fredrick Co, , Maryland, - December 19, 1841 in , Edgefield, South Carolina,
son
Dorothy Key unknown
daughter
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