bˈɪskoʊ wʌz bˈɔːɹn æt hˈoʊltən nˌɪɹ ˈɑːksfɚd, ˈɪŋɡlənd, ˌɪntʊ ɐ lˈændˈoʊnɪŋ fˈæmɪli, ðə sˈʌn ʌv wˈɪljəm ˈɜːl bˈɪskoʊ ænd hɪz wˈaɪf ᵻlˈɪzəbəθ kˈɛɹi sˈændᵻmən.
Biscoe was born at Holton near Oxford, England, into a land-owning family, the son of William Earle Biscoe and his wife Elizabeth Carey Sandeman.