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Acknowledgements: John Goodrich, whose Ultimate Hellblazer Index is where I gathered most of the issue number references www.qusoor.com/hellblazer/familytree.htm (text in bold in each character description comes from that site). Andy Diggle whose Lady Johanna Constantine inspired this project.
	Kon-Stan-Tyn	6th century AD ?	Hellblazer Annual #1 Jamie Delano, Bryan Talbot
	Legendary figure, became king after the death of Arthur (c.520) by defeating Merlin. He murdered his two sons. See also Swamp Thing #87
	Un-named male	6th century AD ?
	1st son by the Queen of the Sidhe -a Fairy race. Sacrificed to gain power.
	Un-named male	6th century AD ?
	2nd son. Also sacrificed.
	Constantine	c. 564 AD	Destiny: A Chronicle of Deaths Foretold #1 Alisa Kwitney, Kent Williams, Michael Zulli
	male, no first name given, in Justinian’s Constantinople (564)
	Jack Constantine	Between 1558 & 1603	Sandman #13 Neil Gaiman, Michael Zulli, Steve Parkhouse
	scoundrel, hanged? dates unknown, "died in a churchyard in Essex" "in Queen Bess's day" according to Hob Gadling.
	Pyotr Konstantin	mid 1600s	Trenchcoat Brigade #1-#4 John Ney Rieber, John Ridgeway
	A distant relative to John. Drunkard, deceiver, petty mage (1630–1986)
	Harry Constantine	Born: c.1620 Died: 1993	Hellblazer #62 Garth Ennis, Steve Dillon
	"Served with Cromwell in Ireland, at the Drogheda Massacre" (1649) When a young John Constantine learned of Harry, he dug him up in a bid to learn more about his ancestory before burying the hapless creature and leaving him to rot for another twenty years. John returned to Harry's grave a more mature man and, at the creature's request, killed him.
	There is no account of descendants of Harry Constantine until George and Harriet.
	Lord George Constantine	Died: c. 1775-1778	Sandman #29 Neil Gaiman, Stan Woch, Dick Giordano
	Mentioned by Robespierre in his account of Johanna's family (also mentions that Sir Francis Dashwood is rumoured to be her father which implicates the Hell Fire club - although it was not known as such at the time.) c.1775: Johanna Constantine's parents are hanged for treason. "When (Johanna) was barely old enough to bleed". LC#2
	Lady Harriet Constantine	Died c. 1775-1778	Sandman #29 Neil Gaiman, Stan Woch, Dick Giordano
	Mentioned by Robespierre in his account of Johanna's family SM#29 c.1775: Johanna Constantine's parents are hanged for treason. LC#2
	Lady Johanna Constantine	Born: 1760 Died: 25 October, 1859	Sandman #13 Neil Gaiman, Michael Zulli, Steve Parkhouse Sandman #29 Neil Gaiman, Stan Woch, Dick Giordano Dreaming #4, 5 & 7 Peter Hogan, Steve Parkhouse Dick Giordano Lady Constantine #1-4 Andy Diggle, Goran Sudzuka
	Adventuress; Johanna Constantine died of old age on the 25th of October 1859, having lived for ninety-nine long years. SM#49 Obtained title 1785-6 LC#4 Met Morpheus in tavern 1789 SM#13 June 8th 1794 engaged by Morpheus to find the head of his son Orpheus. SM#29 Robespierre says she is 32 - one year out ? She reportedly stole papers from the Russian imperial court in 1786 and was involved in a slave scandal in Lousiana in 1791. Given that her parents were hanged for treason, I wonder if Johanna was involved in The Madness of King George III ? It began shortly after she regained her title !
	Un-named female	Born & died: 1760	Sandman #29 Neil Gaiman, Stan Woch, Dick Giordano
	Johanna's twin sister. Mentioned by Robespierre in his account of Johanna's family
	"Mouse"	Born: c. 1780	Lady Constantine #1-4 Andy Diggle, Goran Sudzuka
	Johanna's daughter as revealed in Lady Constantine #4. If people think Mouse is Johanna's sister perhaps she was born before the parents died ? I suspect not long after.
	James Constantine	Late 18th century	Hellblazer #105 Paul Jenkins, Sean Phillips
	drug supplier to Samuel Taylor Coleridge (c1797) http://www.incompetech.com/authors/coleridge http://www.robertfulford.com/porlock.html Lived in Porlock, near Exmoor. Described by Coleridge as the Person from Porlock who interrupted his work on Kubla Khan Given the above date, he must be closely related to Johanna - although Robespierre believed she had no siblings. A son ? Appears to be same age as Coleridge in 105 he's an apothecary
	"Dark Conrad" Constantine	Early 19th century.	Swamp Thing #114 & 115 Nancy Collins, Tom Mandrake
	Caribbean pirate; contemporary of Jean Lafitte (1780?–1826?) I have a suspicion this may have been a close relative of Johanna. She had been in Louisiana previously. SM#29 Was a member of "The Brimstone Circle". A Baronet stripped of his title. Escaped Lafitte when he fled to Hell having done a deal with Older (Lovecraftian) Gods.
	Aloysius Quinn	Born: c.1815? Died: late 19th century	Hellblazer #179 Mike Carey, Marcelo Frusin
	The connection to the Red Sepulchre rests on John's mother's side of the family tree, the Quinns. He was in India in 1840, probably making him mid-twenties at that time.
	NOTE to prospective Hellblazer writers and people who would use John Constantine in a story. There is no Constantine from the years when Jack the Ripper was doing his business. This is as it should be. Do not make me have to come round there and sort you out.
	Lance Corporal William Constantine	Died at the Somme, 7/1/16	Hellblazer #69 Garth Ennis, Steve Dillon
	John's grandfather. On the first of July, nineteen sixteen, William found himself standing alone amidst the butchered remains of his comrades on the battlefield of the Somme. Refers to Alice & little Tommy
	Charles Constantine		The Corinthian: Death in Venice #1-3 Darko Macan, Danijel Zezelj
	William's twin brother, who survived the war It might be interesting to note how few of the Constantine twins survived as twins.
	Alice Constantine		Hellblazer #69 Garth Ennis, Steve Dillon
	Wife of William (see above)
	Thomas Constantine	Born: Liverpool 191? Died: 1990	Hellblazer #28 Jamie Delano, Ron Tiner, Kevin Walker Hellblazer #31 Jamie Delano, Sean Phillips Hellblazer #39 Jamie Delano, Steve Pugh Hellblazer #41 Garth Ennis, Will Simpson, Mark Pennington Hellblazer #99 &100 Paul Jenkins, Sean Phillips Hellblazer/Books of Magic #1 &2 Paul Jenkins, John Ney Reiber, Paul Lee
	John’s father, murdered by the Family Man, currently in Hell; Thomas was killed by The Family Man, a serial killer who was hunting John, but his story didn't end with his death. Back when he was a child, after a particularly nasty argument with his father, John cast a spell that ensured his father would suffer a slow death - the result of this was that Thomas was forced to live a life after death as a ghost. When John realised this was happening, he broke the spell and, unknowingly, doomed his fathers soul to Hell.
	Jack Constantine	Died: 19/5/41	Dreaming #32 Peter Hogan, Steve Parkhouse, Dick Giordano
	petty criminal, Thomas’ brother
	Dolly & Harry ?
	John's Aunt and Uncle in 1961 when Thomas was arrested for stealing women's underwear off washing lines John and Cheryl stayed with their aunt and uncle in Northampton.
	Mary Anne Constantine (nee Quinn)	Born: 3/10/23? Died: 10/5/53	Shade #44 Peter Milligan, Chris Bachalo, Rick Bryant Hellblazer #100 Paul Jenkins, Sean Phillips
	John’s Mum, who died giving birth to him. John later met his father in Hell, where he learned that he actually tried to abort both his children - which is why both Mary and The Golden Boy died.
	Cheryl Masters (nee Constantine)	Born: Liverpool, 1946	Hellblazer #3 Jamie Delano, John Ridgway Hellblazer #31 & #35 Jamie Delano, Sean Phillips Hellblazer #44 Garth Ennis, Will Simpson, Tom Sutton Hellblazer #62 Garth Ennis, Steve Dillon Hellblazer #77 Garth Ennis, Peter Snejbjerg Hellblazer/Books of Magic #1 & 2 Paul Jenkins, John Ney Reiber Paul Lee Hellblazer #175 & 176 Mike Carey, Steve Dillon
	John’s older sister Cheryl Masters, John Constantine's only sibling, was born seven years before her younger brother
	Tony Masters
	Cheryl married Tony in the Seventies.
	John Constantine	Born: Liverpool, 10/5/1953

	Unnamed child "The Golden Boy"	Stillborn: Liverpool, 10/5/1953	Hellblazer #39 & 40 Jamie Delano, Dave McKean
	John’s more magically adept twin died at birth in 1953. A twin brother, who died along with Mary Constantine as she gave birth to John. It's possible that John may even have killed his brother in his mothers womb, strangling him with his umbilical cord, but John's father was also implicated
	Gemma Masters	Born: Liverpool, 1978	Hellblazer #4 Jamie Delano, John Ridgway Hellblazer #31 Jamie Delano, Sean Phillips Hellblazer #62 Garth Ennis, Steve Dillon Hellblazer #77 Garth Ennis, Peter Snejbjerg Hellblazer #126 Paul Jenkins, Warren Pleece Hellblazer #177 Mike Carey, Marcelo Frusin
	John’s niece And heir-apparent to the Constantine trouble-seeking behaviour. She's shown a tendency to get mixed up in her uncle's business, and is just as willing to play around as she ever was despite her misadventures.
	Tefe Holland	Born: Louisiana, 1989	Swamp Thing #76 [conception] Rick Veitch, Alfredo Alcala Swamp Thing #90 [birth] Doug Wheeler, Pat Broderick Swamp Thing #91–171 Various writers and artists Swamp Thing vol. 3 #1–20 Brian K. Vaughan & Giuseppe Camuncoli
	The new Earth elemental, conceived using John's body 1989 prematurely aged by combination with a eighteen year old girl in 1999.
	Demon Constantine		Hellblazer #94, 95, 96, 104 Paul Jenkins, Sean Phillips Hellblazer #126 Paul Jenkins, Warren Pleece
	John created a doppelganger to trick the demon Buer. Last seen in Hell carrying out the sort of research that John must have done over the years
	Zatara II		Kingdom Come #2, 3 & 4 Mark Waid Alex Ross
	Elseworlds child of Zatana and John Constantine, from Kingdom Come.
	Archetype
	Mister E takes Tim Hunter to the future in BoM and there is a fool? Trickster? Archetype who looks very familiar