Queen Victoria's "Sort Of" Illegitimate Cousins....?

The interesting case of the d'Este siblings...

Most people who are familiar with Queen Victoria, have at least heard that she was brought into this world because of the famous “race for an heir” after the death of her first cousin Princess Charlotte. Princess Charlotte was second in line to the throne at the time of her death, and she died giving birth to a son who also died. And while Charlotte had…