Eleanor Calvert Custis Stuart, born Eleanor Calvert, was a prominent member of the wealthy Calvert family of Maryland. Upon her marriage to John Parke Custis, she became the daughter-in-law of Martha Dandridge Custis Washington and the step-daughter-in-law of George Washington. Her portrait hangs today at Mount Airy Mansion in Rosaryville State Park, Maryland.

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.