John 'JT' Teller, was Gemma's first husband and they had two children together, Jax and Thomas Teller. He was a founding member of the Sons of Anarchy MC .
Biography
Background information
John 'JT' Thomas Teller, was born May 5, 1940. He was an Army paratrooper, along with his best friend, Piney Winston. He served two tours in Vietnam from 1965-1967. After coming back home, he and Piney saw the deterioration of the country they left and faced discrimination and hardship from those opposed to them in society. He formed the Sons of Anarchy with Piney and Lenny, in hopes they could continue the feeling of brotherhood they had back in `Nam. He started the clubhouse at 1748 Fairfield Rd. in Charming and took over the business with Clay Morrow, calling it Teller-Morrow Auto Service. With no work available, they made their seed money to get started, by breaking the law, running dope and smuggling contraband goods.
John was hit by a semi-truck, Nov. 11, 1993 and died two days later of his injuries. Before his death, he wrote a manuscript called The Life and Death of Sam Crow: How the Sons of Anarchy Lost Their Way. He started writing it after his second son, Thomas`death and finished it March 3 1993, the same year he was killed. The manuscript quotes many great poets and writers. It espouses a '60s ideology of fighting for freedom but not for material goods. Jax found a copy of this book addressed to him in storage, but never given to him, whie another copy was given to Piney, whom John calls his oldest, dearest and wisest friend. At the conclusion of episode 13, Piney gave his copy of the manuscript to Jax during Donna Winston's (Opie's wife) funeral while Jax was standing near John Teller's grave.
Gemma states to Jax, that his father loved writing and was very good at it. She informs him that she bought the old Selectrix typewriter for him, which is briefly seen in the storage unit.
Season One
Clay states to Jax, that he and his father started the gun running business sometime in the mid-80's, served time and lost brothers for it. He had Trinity in 1988, with Maureen, so his prison time had to be between 1989 and 1991, for gun related charges, stemming from an ATF raid on the clubhouse. Clay states to McCeavy, that most of the club was busted for assembling guns at the clubhouse and they learned to keep both sides of club business separate.
Season Two
In season 2, Gemma tells Jax that after Thomas' death, John had become lost.
John's Rebuilt Motorcycle
She suspects that John's death was not an accident and implies that it may have been suicide.
Season Three
In season 3, Maureen Ashby tells Gemma that John is the father of her daughter, Trinity Ashby. John briefly appears to Jax, after an explosion in Dunglow, calling, 'Son' to him.
Picture with Maureen and Trinity Ashby
During the final episode of Season 3, NS, while half of the club is being taken away by the ATF, Tara reads some of the letters Maureen slipped into Jax's backpack. As the episode finishes, we hear John's voice over reading the letter saying that if he is to pass away he is sure it will be at the hands of Clay and Gemma.
Also in Season 3 when Liam O'Neill blows up the truck and Jax is thrown to the ground, in the confusion he sees his father (John Teller) walking towards him when in reality it is Clay.
Appearances
 Season 1 appearances
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| "Pilot" * | "Seeds" * | "Fun Town" * | "Patch Over" * | "Giving Back" * |
| "AK-51" * | "Old Bones" * | "The Pull" * | "Hell Followed" * | "Better Half" * |
| "Capybara" * | "The Sleep of Babies" | "The Revelator" * | ||
| Season 2 appearances
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| "Albification" | "Small Tears" | "Fix" | "Eureka" | "Smite" * |
| "Falx Cerebri" | "Gilead" | "Potlatch" | "Fa Guan" | "Balm" * |
| "Service" | "The Culling" | "Na Trioblóidí" | ||
| Season 3 appearances
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| "SO" | "Oiled" | "Caregiver" | "Home" | "Turning and Turning" |
| "The Push" | "Widening Gyre" | "Lochán Mór" | "Turas" | "Fírinne" |
| "Bainne" * | "June Wedding" | "NS" | ||
| Season 4 appearances
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| "Out" | "Booster" | "Dorylus" | "Una Venta" | "Brick" |
| "With An X" | "Fruit For The Crows" | "Family Recipe" | "Kiss" | "Hands" |
| "Call of Duty" | "Burnt and Purged Away" | "To Be, Act 1" | "To Be, Act 2" | |
* - Voice only
