 The second, "Essays on Subjects of Important Inquiry in Metaphysics, Morals and Religion" were published posthumously in 1822.Brown's first wife was Henrietta Hay, daughter of Edward Hay, a career diplomat, and granddaughter of George Hay, 8th Earl of Kinnoull, whom he married in 1788.Shortly after her death, in 1802, he married Elizabeth Boddington, daughter of Thomas Boddington, who outlived him by 21 years and to whom he left a life interest in the manor of Badger, although it was to pass to his nephew, R.H.Cheney on her death.