Bayan wasu la'akari, Caroline ya ki yarda a 1704, kamar yadda ba za ta tuba daga Lutheranism zuwa Katolika ba. A farkon shekara mai zuwa, Sarauniya Sophia Charlotte ta mutu a kan ziyarar zuwa gidansa na Hanover. An rushe shi, ya rubuta zuwa Leibniz, "Matsalolin ya shafe ni da baƙin ciki da rashin lafiya, kuma shi ne kawai fatan cewa zan iya auren ta nan da nan". A watan Yuni 1705, Sarauniya Augusta ta haifi Yarima Charles na Austria, wanda ya kasance dan takarar sarautar Spain kuma daga bisani ya zama Sarkin Roma Mai Tsarki.
Sophia