Tuhia he whakamāramatanga mō tēnei wāhanga - I whānau a Murchison ki Tarradale House, Muir of Ord, Ross-shire, te tama a Kenneth Murchison. I mate tana papa whai rawa i te tau 1796, i te wha o nga tau o Roderick, a i tukuna ia ki te Kura o Durham e toru tau i muri mai, ka tae atu ki te Royal Military College, Great Marlow kia whakangungu ai mo te ope taua. I te tau 1808 i tae atu ia ki Wellesley ki Portugal, a i tae atu ia ki nga mahi a Roliça
Ko Vimeiro i te Pakanga Peninsular hei kaitiaki i te 36th Regt of Foot. I muri mai i raro i a Sir John Moore, i uru ia ki te reti ki Corunna me te pakanga whakamutunga i reira.