Richard Cassius Lee Moncure (1805-1882)—was the son of John Moncure (1772-1822) of Clermont, Stafford County. He married Mary Butler Washington Conway (born 1807), the daughter of John Moncure Conway (1779-1864) and Catherine Storke Peyton (1786-1865). Richard bought Glencairne, a farm just north of the town of Falmouth. From 1827-1828 he represented Stafford in the Virginia House of Delegates. From 1852-1864 he served as presiding judge of the Virginia Court of Appeals.

Richard’s son, Richard Cassius Lee (R. C. L.) Moncure, Jr. (1856-1936) was the Sheriff of Stafford County.  He was Miss Anne E. Moncure’s cousin.