Dreaming of dead relatives is often a sign of missing their loved ones. It is usually said that the dream of a deceased relative is because the dreamer encounters troubles in reality and hopes to get help and comfort, especially when grandparents and other elders appear in the dream, which mostly reflects the dreamer's hope to escape the pressure of reality and live a carefree life.
Duke Zhou dreamed of the dead: seeing the dead first and respecting the elders-which means dreaming that the deceased elders will prosper.