Whakakiia te rerenga e whai ake nei: I whānau a Liddell ki Dunblane i te tau 1794, i kuraina ia ki te Whare Wānanga o Edinburgh i mua i tana urunga atu ki te Royal Navy i reira i mahi ai ia ki runga i te HMS "Asia" i te
Te Pakanga o Navarino (1827). Mo ana whakaritenga mo te pakanga, ko ia tetahi o nga kaiwhiwhi tuatahi o te Gilbert Blane Medal i te 1832.