I saw my father's father who died before my birth in his middle age. I had won a science prize in my dream. My wife, 3 sons and two daughters and I faced my grandfather as soon as we entered my father's house in Gilan.
Dreams about deceased loved ones, like your grandfather, can have different meanings based on the context of the dream and your personal associations with the individual. In this specific dream, the fact that you saw your grandfather in his middle age could indicate that you are exploring aspects of his life that you may not have known before. The science prize that you won in your dream may represent a sense of achievement or success in waking life. The presence of your wife and children could indicate that your family is a source of support and comfort for you during this time. The fact that you were in your father's house in Gilan may hold significance as well. This location could represent a sense of connection to your family roots or a longing for a place of familiarity and comfort. Overall, this dream could suggest that you are exploring your family history or seeking validation for your accomplishments, and that your family is an important source of support for you during this process.