how to find source document on records from, public access to new Family search

I found an entry for my elusive great grandmother on the new Family Search. this record shows two additional parents in addition to the ones I had as her parents.(three sets of parents). I know this is my great grandmother because it shows her husband and two of her children which have been confirmed by source documents. Also shows a variation of her name and a different date of birth. I have checked these new names and have not found anything more. family pedigree with details tab shows person identifier: LHJL-SHJ. What does this mean. Any suggestions as to how to check this out further and find either the submitter of this additional information and/or source documents.Thanks