Suffragette W.S.P.U Pinner Constance Lytton. The Pinner, Middlesex, branch of the Women's Social and Political Union, captioned on reverse, 'W.S.P.U Garden Party given by Mr. & Mrs. Terrero at Rockstone House. Lady Constance Lytton as speaker.' Janie Terrero (1858-1944) formed the Pinner branch in 1911 and she and her husband gave many garden parties at their home. Lady Constance Lytton sits just in front of the W.S.P.U 'Pinner' banner, on 4th July 1911, Mr. Terrero presided.