In 1871 (RG10/276) Charles is a visitor at a house in Islington, the head being a Miss J Benwall. Also present are her married sister Mrs C Ferris (+ some of her children born in India); an unmarried sister, Miss L Benwall; and Thomas Hill, an unmarried nephew.
Your last post seems to refer to Alexandrina Borradaile, whereas previous ones have been about the Kensits/Mordaunts. I'm not sure what it is you know for certain, and what you want to know.
Richard