In the mirror universe, David Marcus was the son of James T. Kirk and Carol Marcus. (The Sorrows of Empire, The Mirror Universe Saga, A Debt of Honor)
In the mirror universe, David Marcus (born 2261) was a Terran scientist and the son of Carol Marcus and James T. Kirk. (TOS - Mirror Universe novel: The Sorrows of Empire; TOS comic: "The Mirror Universe Saga")
In the mirror universe, David Marcus was the son of James T. Kirk and Carol Marcus. (The Sorrows of Empire, The Mirror Universe Saga, A Debt of Honor)
In the mirror universe, David Marcus (born 2261) was a Terran scientist and the son of Carol Marcus and James T. Kirk. (TOS - Mirror Universe novel: The Sorrows of Empire; TOS comic: "The Mirror Universe Saga")