Jed Walker is the son of Burt Paulsen and Miranda Walker, he has one sister Rose Walker. Jed's grandmother is Unity Kincaid the dream vortex and his grandfather is Desire of the Endless.
After his parents separation he went with his father Burt. Burt later died and Jed was forced to go live with his Aunt and Uncle who were very abusive.
Jed escaped to his dreams were he could fly and had heroes and surrogate parents in Lyta Hall( and Hector Hall(Sandman). Hector's "assistants" Glob and Brute were actually planning on using the power of Jed's dream to overthrow the dreaming. Jed dreams must be more powerful than a regular mortal due to his connection to Rose Walker and Unity Kincaid. The real Sandman returns and destroys Hector and the damage caused by this battle destroys Jed's house and kills his aunt and uncle.
Jed ends up a the prisoner of the psychotic dream the Corinthian. Jed is rescued by another dream Fiddlers green and is reunited with his sister Rose. Jed is taken to the hospital by Gilbert(Fiddlers Green) and Rose.
He later shows up in the "the wake" were his sister reveals that she is pregnant.