Jeff is a wonderful man who wants nothing more
than to make Fallon happy and provide for his children. He is
the son of Jason Colby and Francesca Scott. Frankie was married
to Jason's youngest brother Philip, but had an affair with
Jason. When she gave birth to Jeff, Philip was fighting in the
Vietnam War and was presumed dead. Frankie raised Jeff to
believe that Philip was his father. When he was
three-years-old, Frankie gave him to Cecil Colby and allowed
Cecil to raise his nephew.
Living next door to the Carringtons, Jeff grew up
with Fallon and Steven and from an early age loved Fallon. She
never really gave him the time of day but he knew there was
something special between them. He was thrilled when she asked
him out on a date. Jeff had no idea that the date was set up by
his Uncle Cecil. He also had no clue that his marriage had been
a business transaction between Cecil and Fallon as a way to keep
Cecil from calling in Blake's loan.
Jeff and Fallon tried to make their marriage work
and when she said she wanted to try having a baby, he was
ecstatic. What he didn't know was that Fallon only wanted to
have a baby because Krystle was already pregnant. After
Krystle's miscarriage, Jeff found out that Fallon was pregnant
after he took a message from an abortion clinic confirming
Fallon's appointment. He desperately tried to find out if there
was any way to stop her from having the abortion, but was told
that he basically had very few rights. Thinking that Fallon had
killed their child, Jeff moved out of their bedroom and started
divorce proceedings.
Drowning in his sorrows, Jeff was discouraged by
Fallon's affair with Nick Toscanni and turned to Claudia for
comfort. While he was sleeping with Claudia, Fallon gave birth
to their son; Blake Jeffrey Carrington Colby prematurely. He
later learns that Claudia was using him to spy for his Uncle
Cecil. Cecil had blackmailed her by telling her that he would
find Matthew and Lindsay in exchange for copies of Denver
Carrington business transaction details. When he discovers what
his uncle has done to him and to Claudia, Jeff tells Cecil that
he never wants to see him again.
Jeff's world is turned completely upside down
when his son is kidnapped. He is also faced with life and death
when Cecil suffers a massive heart attack. While visiting his
uncle in the hospital, he speaks of his son as if nothing was
wrong and reconciles with Cecil. Jeff suddenly realizes that
the cemetery caretaker took an unusual interest in the baby.
Along with Blake, Jeff tracks down the caretaker and learns that
he is the father of Alexis' former lover Roger Grimes, and more
importantly, that Nick Toscanni arranged his child's kidnapping
to avenge his brother's suicide.
When Cecil died, Jeff inherited half of Colbyco
with Alexis getting the other half. Although he was working
with Blake at Denver Carrington, Jeff moved over to Colbyco
after Adam took it upon himself to make executive decisions
without consulting anyone. Adam retaliated by having
mercuric-oxide mixed with paint and used it to paint Jeff's
office. Jeff was slowly poisoned and collapsed. On the rebound
from Fallon, he impetuously runs away and marries Joseph's
daughter Kirby. The marriage is doomed from the beginning
because of Jeff's feelings for Fallon.
Kirby and Jeff divorced after she lost the baby
she was carrying. The child was Adam's and she insisted that
her marriage to Jeff was a mistake. Jeff was immediately jealous
of Fallon's relationship with Peter DeVilbis and warned her not
to marry him. He picked up the pieces of her broken heart and
was pleased when Fallon accepted his second wedding proposal.
Everything was going along quite well until Fallon suffered a
debilitating headache and left on their wedding night, leaving
Jeff desperate to find her. He was inconsolable when he thought
Fallon had been killed in a plane crash with Peter DeVilbis.
Still in mourning but receiving tremendous
pressure from everyone to move on with his life, Jeff became
involved with Lady Ashley Mitchell. She was a bit resistant at
first but Jeff swore he was in love with her and proposed
shortly before they left for Amanda's wedding in Moldavia. He
was heartbroken again when he found out that Ashley was one of
the people killed in the massacre.
Jeff was beside himself and reluctantly agreed to
help Blake with the pipeline deal with Jason Colby. Neither
Jeff nor Jason had any idea that he is Jason's son. While he is
in California, his Aunt Constance presents him with her half of
the family business. Jeff is stunned that he is now a partner
in Colby Enterprises. He returns to Denver to tell Blake that
he and his son are moving to Los Angeles to keep an eye on
Jason's business practices. He receives further incentive when
Miles shows up at the Carrington mansion with Fallon. Jeff
leaves for California that night.
When Miles arrives back at the Colby mansion in
Los Angeles, he shocks the family when he introduces them to his
new wife Randall. Jeff delivers the larger shock, Randall is
his missing Fallon. Jeff tries to help Fallon regain her memory
by telling her about the times they shared and their son Little
Blake (now going by L.B.). She eventually regained her memory,
had her marriage to Miles annulled and remarried Jeff.
Jeff helped Fallon through her second pregnancy
and tried to keep her calm about the thought that the baby may
not be his. He was thrilled when she delivered a little girl
and tests proved that Lauren was indeed his child. By now
Frankie had confessed that Jeff was Jason's son and the two men
were trying to forge a relationship.
After Fallon was kidnapped by aliens and they
returned to Denver, their marriage went downhill. Jeff had an
affair with Ben's daughter Leslie. Fallon again filed for
divorce and Jeff became involved with Sammy Jo. As with every
other relationship they've had, Jeff and Fallon found their way
back to each other.
