Kathleen Prudence Eirene Bagenal (1886-1974) (1886–1974) Parents Beauchamp Frederick Bagenal Ethel Constance Mary Hall-Dare Children Christopher William Stewart Blackett Siblings Mary Verena Bagenal Violet Ethel Bagenal Beauchamp Walter Bagenal Charles James Bagenal Partners William Stewart Burdett Blackett William Frederick Sweny