Mary Knight (died 1878) (1803–1878) Parents Samuel Knight Children Emily Constance Trevor-Roper Richard Henry Trevor-Roper Anne Trevor-Roper Gertrude Trevor-Roper Charles James Trevor-Roper William Trevor-Roper George Edward Trevor-Roper Elizabeth Mary Trevor-Roper Charlotte Blanche Trevor-Roper Dacre Trevor-Roper Partners Charles Blayney Trevor-Roper