""Harm one follicle on my offspring's head, and every particle of your body will be taking seperate vacations. You have my word on that."
1950's
Edison meets Katharine Melton, a very distant cousin. Katharine pursues him and they marry.
1957
November 21 Egon Spengler is born in Cleveland Ohio
1961 (approx)
A supernatural entity known as the Boogeyman begins terrorizing young Egon. It inspires the young prodigy to begin to study the paranormal
1970
Twelve year old Egon gets his first degree in Physics from MIT
1973
Fifteen year old Egon begins taking parapsychology courses at Columbia University. Due to an administration mix-up, he is dormed with a jock freshman named Peter Venkman
1970's
Egon becomes a protege of dimensional physics researcher Ian Epimetheus
1976
Egon and Venkman meet and befriend Columbia student Ray Stantz. By 1983, the three all have PhDs and work as parapsychology researchers at Columbia's Weaver Hall
1979
Egon's first experiment in dimensional breaching ends in disaster, and the insanity of Micheal Draverhaven
Sept. 28. Jennifer "Jen" Spengler is born to Egon's half brother Ellis.
1983
Dr. Peter Venkman, Dr. Ray Stantz, and Dr. Egon Spengler are fired from Columbia, and form Ghostbusters Inc. Janine Melnitz is hired as the Ghostbusters' secretary. She begins pursuing him, but he finds it annoying at first.
1984
Battling the demons of Ragnarok, Egon begins to realize that he's love with Janine...
1986
Ghostbusters Inc. is forced from business, and Egon returns to academic work. Ironically enough, he is rehired by Columbia University
1988
Late in the year, Ghostbusters Inc. reactivates.
1989
After Janine ends her brief fling with accountant Louis Tully, she and Egon begin to slowly rebuild their relationship
1990
Egon declares his love for Janine, and frees her from the power of the makeoverus lotsabucks. After this, their relationship begins to become more serious.
Late 1991
Janine and Egon break up. Ghostbusters Inc. is dissolved once more, at Egon's instigation, leading to a major rift with the other Ghostbusters as well.
Egon assumes sole control over Ghostbusters Central and sentry over the Ecto Containment Unit.
1992
Egon returns to academia once more, this time becoming a professor at New York City Community College.
1993
Egon is tested by the "Voice of Knowledge", Sarim-Lar.
1997
The appearance of the disease spirit Achira forces Egon to recruit his four latest students to become a new team of Ghostbusters (the so-called "Extreme" Ghostbusters). Simultaneously, Janine Melnitz reenters his life, and she later helps restore his severed relationships with Venkman, Ray, and Winston
Egon's niece Jen joins GBI as a member of the new Ghostbusters Nightsquad team.
In December, Egon finally proposes to Janine, and the two are engaged.
1998
At long last, after fifteen years of confusion, denial, and reversals, the wedding of Egon Spengler and Janine Melnitz occurs.
1999
June 13 Birth of Eden Marie and Johnathan Christopher Spengler.
2001
Egon is present at the World Trade Center during the September 11 attacks. He survives, though he and other attendees of a paranormal conference are stranded for a few days.
Eden Marie Spengler
Relation: Daughter (born 1999)
Canon: Fan (created by Fritz Baugh)
Johnathan Christopher Spengler
Relation: Son (born 1999)
Canon: Fan (created by Fritz Baugh)
Dr. Edison Spengler (deceased)
Relation: Father
Canon: Fan (name by Fritz Baugh)
Katharine Melton Spengler
Relation: Mother
Canon: RGB. Name from Sheila Paulson and Fritz Baugh
Deann Melnitz Irwin
Relation: Sister-in-law
Canon: Seen in RGB; name is Fan (Fritz Baugh)
Joshua Irwin
Relation: Brother In Law
Canon: Seen in RGB; name is Fan (Fritz Baugh)
Victor Irwin
Relation: Nephew (by marriage)
Canon: RGB; last name is Fan (Fritz Baugh)
Denise Melnitz
Relation: Mother-In-Law
Canon: Seen in RGB; name is Fan (Fritz Baugh)
Fritz Melnitz
Relation: Father-In-Law
Canon: Seen in RGB; name is Fan (Fritz Baugh)
Christopher Melton (deceased)
Relation: Great Grandfather
Canon: Fan (Fritz Baugh)
Dr. Frederick Melton (deceased)
Relation: Grandfather
Canon: Fan (Fritz Baugh)
"Romulus" (full name unrevealed)
Relation: Descendant (24th Century)
Canon: Fan (Fritz Baugh)
Dr. Cyrus Spengler
Relation: Uncle
Canon: RGB
Dr. Ellis Spengler
Relation: Half brother
Canon: Fan (Jen Spengler and Fritz Baugh)
Eli Spengler (deceased)
Relation: Ancestor (17th century)
Canon: RGB
Ezekiel Spengler (deceased)
Relation: Ancestor (17th century)
Canon: Fan (name by Matthew Riddle)
Jennifer "Jen" Spengler
Relation: Niece
Canon: Fan (Jen Spengler)
Zedikiah Spengler (deceased)
Relation: Ancestor (18th century)
Canon: RGB