Thomas Andrew Knight (1759–1838), FRS, of Elton Hall in the parish of Elton in Herefordshire and later of Downton Castle, was a British horticulturalist and botanist. He served as the 2nd President of the Royal Horticultural Society (1811–1838).
Richard Knight (1659–1745), of Downton Hall, in the parish of Downton on the Rock in Herefordshire, England, was a wealthy ironmaster who operated the Bringewood Ironworks, on the Downton estate, and founded a large fortune and family dynasty.
Croft Castle, Yarpole, Herefordshire, purchased in 1746 by Richard II Knight (1693-1765)
Downton Castle, Downton on the Rock in Herefordshire, re-built 1772-8 by (Richard) Payne Knight (1750-1824), MP and a connoisseur of art, who rebuilt Downton in the Gothic revival style
Lea Castle, Wolverley, Worcestershire, built after 1809 by John II Knight (1765-1850) and sold by him about 9 years later in about 1818 to help finance his purchase of Exmoor Forest. Demolished 1945 with the exception of the gatehouse which still stands