identify lenses

My father-in-law is in a nursing home and is about to pass away. He was a hoarder his entire life and so I've volunteer clean up the house for my my mother-in-law as she's now too frail to do it herself. She's said she doesn't care what happens to the stuff so I offered to sell what I can and...

Hi, I've been given three lenses and I have no idea of their fit or what camera they belong to. I use the Canon EOS cameras but I've tried fitting them to my camera and the lens fit is too small. I was wondering if there was anybody on this forum who really know their lenses that could help me...