Robert de Clifford, 3rd Baron de Clifford British noble (1305–1344) Parents Maud de Clare Robert de Clifford, 1st Baron de Clifford Children Robert de Clifford, 4th Baron de Clifford John de Clifford Roger de Clifford, 5th Baron de Clifford Lewis Clifford Thomas de Clifford Siblings Roger de Clifford, 2nd Baron de Clifford Idonia de Clifford Partners Isabel of Berkeley