After some prompting and a long search of the BMD indexes I found Grandma's Auntie in the 1891 census and possible marriages, one of which turnedout to be correct.

http://www.cwgc.org/search/casualty_details.aspx?casualty=3147167

http://www.cwgc.org/search/casualty_details.aspx?casualty=3147168

http://www.cwgc.org/search/casualty_details.aspx?casualty=3147169

I will see what I can do about finding their relatives.

HTH

Howard