Dee ihe ga-aga n'ihu na paragraf a - John Hepburn bụ nwa nke abụọ nke George Hepburn nke Athelstaneford, nke dị nso n'obodo Haddington na nwunye ya Helen Hepburn, nwa nwanyị Adam Hepburn nke Smeaton. O yikarịrị ka ọ gụrụ akwụkwọ na St Andrews na 1615, wee gaa France na enyi ya, Robert Monro na-eleta Paris na Poitiers. Hepburn bụ otu n'ime ọtụtụ puku ndị Scotland ndị jere ozi n'Agha Afọ Iri Atọ ahụ. N'afọ 1620, Sir Andrew Gray malitere ịchịkọta ndị agha iji kwado Eze Nwanyị Elizabeth nke Bohemia, o wee maa ụlọikwuu ya n'ihe onwunwe ezinụlọ Hepburn dị na Monkrig. John sonyeere ndị agha Gray, na-ahapụ Scotland na May 1620, mgbe nke ahụ gasịrị, o duziri otu ìgwè ndị na-agba égbè bụ́ ndị jere ozi dị ka ndị nche nke Eze Bohemia ahụ a chụpụrụ achụpụ. Mgbe e merisịrị ha n'Ugwu Ọcha
Ndị agha Gray jikọtara onwe ha na ndị agha Count Ernst Mansfeldt, na 1622 Hepburn nwere ọkwa onye isi. O jere ozi n'oge agha nke Bergen op Zoom na July na nke Fleurus n'August 1622. Ọ bụ mgbe ndị agha Mansfeld gbasasịrị na 1623 ka Hepburn na ndị agha ya banyere n'ozi ndị Sweden.