Hi Les,
I am a descendent of Frances Ottley and John Charles Horne's daughter, Frances. My family is doing some genealogy research. What are you compiling? It would be good to know a bit more about them. I have found some links which have some dates and information.
https://www.ucl.ac.uk/lbs/person/view/2146654203
https://www.ucl.ac.uk/lbs/person/view/44243
cheers,
liz. if you reply, would you please cc my email address lizthom8@gmail.com