Barony created in 1780. The present Baron (the 9th) is John de Grey, M.C., b. 1925, s. 1965, who lives at Merton Hall, built about the year 1613, on the site of a house which had been in possession of the de Grey family since the middle of the fourteenth century.
For a brief History of the family, See: Merton (White's 1854).
And for the family estate and family memorials, See: Merton (kelly's 1937)
Sir Thos. de Grey, who settled at Merton Hall in 1337.