Godwin akaroora Mary Jane Clairmont, muvakidzani ane vana vake vaviri: Claire ane makore matatu uye Charles ane makore matanhatu. Iye akanga asina kumbobvira aroorwa uye akanga achitsvaga, saGodwin, kugadzikana kwemari. Kunyange zvazvo Clairmont akanga akadzidza uye akafamba zvakanaka, shamwari dzakawanda dzaGodwin dzakamushora, dzichimuona seane utsinye uye asina kutendeseka. Vakashamiswa kuti Godwin aigona kutsiva Mary Wollstonecraft naye. Fanny nehanzvadzi yake yainzi Mary havana kufarira amai vavo uye vakanyunyuta kuti aifarira vana vake kuti avadzidzise. Musi wa28 Kurume 1803, William akaberekwa. Kunyange zvazvo Godwin aiyemura zvinyorwa zvaWollstonecraft, haana kubvumirana nemudzidzi wake kuti Mary Clairmont aifanira kuwana dzidzo yevakadzi, sezvakanyorwa naGodwin.
vane utsinye uye vasina kutendeseka