CALENDON, (Warwickshire) or CALCEDON, or CALWEDON, originally a member of Coventry, in a mossy situation near a hill, was formerly the estate of the Segraves, the Mowbrays, the Ds. of Norfolk, and the Lds. Berkley; but it was sold in the R. of Ch. I. to Thomas Morgan, of Weston under Wethely.