[[https://search.yahoo.com/search?p=Granddad|Granddad]] is the father of father. He is a very [[https://www.hometalk.com/search/posts?filter=respected%20person|respected person]]. In Punjabi,  [[https://bangcacloai.com/|https://bangcacloai.com/]] we say granddad as Dadaji or Baaji.