Frederick Halsey British politician (1839–1927) Parents Frederica Johnson Thomas Plumer Halsey Children Mary Cecilia Halsey Gerald Halsey Reginald Halsey Arthur Halsey Edith Halsey Lionel Halsey Frederick Halsey Gavin George Halsey Florence Halsey Sir Walter Halsey, 2nd Baronet Siblings Ethelbert Arthur Sackville Halsey Partners Mary Julia Wells