\biohead{Thomas Geoffrey Barker}{}{}
Thomas Geoffrey Barker was born in 1911 in Birkenhead, Cheshire, England and was the son of \bioref{William_Danby_Holt_Barker} and \bioref{Clarissa_Hotham_Dreaper}.
\biohead{Thomas Geoffrey Barker}{}{}
Thomas Geoffrey Barker was born in 1911 in Birkenhead, Cheshire, England and was the son of \bioref{William_Danby_Holt_Barker} and \bioref{Clarissa_Hotham_Dreaper}.