Charles John Allanson Winn Blennerhassett (1830-1859) (1830–1859) Parents Arthur Blennerhassett Frances Deane O'Grady Children Barbara Georgina Blennerhassett Arthur Blennerhassett Siblings Henry Deane Blennerhassett Adelaide Blennerhassett Amelia Blennerhassett Dorcas Blennerhassett Frances Annabella Blennerhassett Partners Marianne Hickson