Rosaryville State Park is a public recreation area with historical features located three miles southeast of Joint Base Andrews in Rosaryville, Prince George's County, Maryland. The state park includes the restored Mount Airy Mansion, which was formerly operated as an event facility, as well as hiking, biking and equestrian trails for day-use.
Mount Airy Mansion, Rosaryville State Park, 2016
Benedict Swingate Calvert, painted by John Wollaston c1754. Calvert and his family lived at Mount Airey mansion, now a part of Rosaryville State Park.
George Washington Parke Custis was an American plantation owner, antiquarian, author, and playwright. His father John Parke Custis was a stepson of George Washington. He and his sister Eleanor grew up at Mount Vernon and in the Washington presidential household.
John Parke Custis, c. 1774, by Charles Willson Peale
Eleanor Calvert, c. 1780, possibly by John Ramage
Mellon Collection, National Gallery of Art "The Washington Family" by Edward Savage, painted between 1789 and 1796, shows (from left to right): George Washington Parke Custis, George Washington, Nelly Custis, Martha Washington, and an enslaved servant (probably William Lee or Christopher Sheels).