Kammala jumla mai zuwa: An haifi Bertram Fletcher Robinson (wanda ake kira ko dai 'Bobbles' ko 'Bertie') a ranar 22 ga Agusta 1870 a 80 Rose Lane, Mossley Hill, Liverpool. A farkon 1882, ya koma tare da iyalinsa zuwa Park Hill House a Ipplepen a Devon. Mahaifinsa, Joseph Fletcher Robinson (1827<unk>1903), shi ne wanda ya kafa kasuwancin kasuwanci a Liverpool (c. 1867). A kusa da 1850, Joseph ya yi tafiya zuwa Kudancin Amirka kuma Giuseppe Garibaldi ya zama abokinsa. Bayan haka, ya yi yaƙi a cikin
Guerra Grande tare da Garibaldi da kuma Uruguayans da Argentine mai mulkin kama karya, Juan Manuel de Rosas. Kawun Robinson, Sir John Richard Robinson (1828<unk>1903), shi ne babban editan jaridar "Daily News" kuma fitaccen memba na kwamitin kungiyar Liberal Reform Club.