Thanks for your follow up on this NAJ71
I have to say that I have no family connection with Bella whatsoever, my motivation to find out more came after a present day Hungarian biographer stated that after her husband's death, Bella settled in 'London' England, adding rather dismissively, that "little else is known." That I found, was a challenge that I could not resist and hence my interest. For a start London was incorrect, for as you know, Chesham, Bucks is some considerable distance away from London.
I can give you various internet links that would tell you more, but there would invariably be language complexities. The best sources are the Hungarian Wikipedia entries for Bella (spelled with two LLs) and her husband Jókai Mór which both have a translate into English facility. Even just Googling their names will give you an early series of pictures of her with her husband which I think you will also enjoy picking through.
The main thing that intrigued people then and now in Hungary, was an age difference between groom and bride of some 55 years. Some believe that the bride was a sort of Victorian dolly bird that only married the groom for financial reasons, whilst others contend it was a genuine love match. I could not say either way, but I strongly favour the latter.
Roy G