What does it mean to dream about nephew?
A nephew often represents a quality you associate with him or with the younger generation, such as promise or a part of yourself you feel protective toward, rather than the literal relative.
Four ways to read it
Each reading below comes from a named tradition and a cited source, so you can see where it came from and decide what fits your dream.
Freud
Freud would read a nephew through the dreamer's protective and hopeful feelings toward the next generation, sometimes mixed with displaced feeling about one's own child or younger self. He would ask what wish the figure quietly carries.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung might see a nephew as a form of the child archetype seen from one step away, an image of new potential within the wider family. The figure can mirror a younger, growing part of yourself.
Jungian concept (our summary).Modern
Continuity ties a nephew to your real relationship with him, or to the care and hope you attach to a younger relative. He often appears when family responsibility or the future of the next generation is on your mind.
Continuity hypothesis (our summary).Mythological
The nephew holds a special place in old story, often the cherished heir a hero raises or the young kinsman whose fate is bound to his uncle's. The figure tends to embody a protected promise within the family line.
Rosmerta Publishing editorial synthesis (after Bulfinch; Brewer).