I only have an account for advertising with no personal info. The associated email address isn't used for anything else. I often get friend suggestions for peo

I only have an account for advertising with no personal info. The associated email address isn't used for anything else. I often get friend suggestions for people I know but had, more or less, forgotten about. Recent example was my sister's sister-in-law who I haven't seen or spoken to for at least 10 years.