A 1770, ɗan'uwansa Yarima Henry, Duke na Cumberland da Strathearn, an fallasa shi a matsayin mazinaci, kuma a shekara mai zuwa Cumberland ya auri wata gwauruwa, Anne Horton. Sarkin ya yi la'akari da ita ba ta dace ba a matsayin amarya ta sarauta: ta kasance daga ƙananan zamantakewa kuma dokar Jamus ta hana kowane ɗayan 'ya'yan ma'auratan daga Hannover. George ya nace kan sabuwar doka da ta hana mambobin gidan sarauta yin aure bisa doka ba tare da yardar mai mulki ba. Dokar ba ta da mashahuri a cikin majalisa ta gaba, a tsakanin ministocin George, amma a matsayin Dokar Aure ta Royal ba a raba ta da' yan uwansa. Ba da daɗewa ba bayan 1772, an bayyana ɗan'uwansa Prince Henry, Duke na Cumberland da Strathearn, a matsayin mai zina, kuma a shekara ta 1773, Sarkin ya auri wata gwauruwa, Anne Horton.
Dokar Auren Sarauta ta 1772