KANSAS City Chiefs coach Andy Reid has experienced huge professional success in his life – and devastating family tragedies.

Reid is considered one of the greatest head coaches in NFL history after leading the Chiefs to three Super Bowls.

Andy Reid mourns the death of his son Garrett in 2012

But the father-of-five has also had to deal with huge personal loss throughout his career.

Reid’s eldest son Garrett died after a heroin overdose in 2012 at just 29.

Reid's son Britt had a brush with the law in 2007

Meanwhile, his son Britt has been jailed multiple times, including a 2021 drunk-driving incident that left a girl with severe brain injuries.

Here is a look at Reid’s heartbreaking tragedies involving his children.

Garrett Reid

Reid’s children had “idyllic upbringings” in a suburb of Philadelphia, per the New York Times.

Garrett and Britt became Eagle Scouts and took piano lessons through age 18.

Garrett died of a heroin overdose at 29

Meanwhile, Reid was an ever-present father despite the demands of his coaching roles with the Green Bay Packers and Philadelphia Eagles.

Reid would leave home for his Green Bay office at 4 am to work a couple of hours, then return home to help get the children ready for school before going back to work.

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“This wasn’t an anecdote told just to get hired,” former Eagles president Joe Banner said.

“He did that for the 14 years that I worked with him. He was as loving and caring a father that I have ever seen.”

Despite having huge advantages, Garrett became addicted to drugs in his 20s and frequently got in trouble with the law.

Garrett was arrested in 2007 for a car crash that seriously injured another driver.

He was under the influence of heroin at the time of the crash and was sentenced to 23 months behind bars.

Garrett was then found guilty of smuggling 89 prescription pills into jail and sentenced to two years in a state drug rehabilitation program.

He was sent to a halfway house in Philadelphia but went back to prison in 2009 after failing another drug test.

“I liked being the rich kid in that area and having my own high-status life,” Garrett told a probation officer.

“I could go anywhere in the ‘hood. They all knew who I was. I enjoyed it. I liked being a drug dealer.”

Garrett seemingly got his life back on track by taking up an unofficial job with the Eagles as an assistant strength coach.

But he was found dead in his room at the club’s training camp at Lehigh University in August 2012.

At his sentencing hearing, in 2007 Reid told the judge, “I don’t want to die doing drugs.

“I don’t want to be that kid who was the son of the head coach of the Eagles, who was spoiled and on drugs and OD’d and just faded into oblivion.”

Britt Reid

Like his elder brother, Britt also got into drugs from a young age.

In a freak coincidence, he was arrested on the same day as Garrett in 2007 for a road-rage encounter.

A five-year-old girl named Ariel Young was put into a coma following the accident

Britt was accused of pointing a gun at another driver before laughing and driving off.

He was also charged with three counts of drug possession after cocaine, oxycodone, and marijuana were found in his vehicle.

Britt was sentenced to eight to 23 months in prison.

In 2008, while out on bail on the road rage charge, he pleaded guilty to DUI and drug-related charges from a separate incident.

Britt worked with his father at the Eagles and seemed grateful for the second chance.

“I just needed to grow up,” he said, per The New York Times.

“Some people make dumber decisions than others when young, and you’ve just got to learn from them.

“I believe there are positives to everything in life, but, no matter how bad it is, you can take something from it.

“I am sure I learned that from my father, and so that’s kind of what carries me through.”

Britt continued to have brushes with the law, though.

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In November 2020, he shouted at an off-duty law enforcement officer before punching his car window, according to a police report.

Britt, who worked with Reid at the Chiefs as a linebackers coach, was identified by his license plate but no charges were filed.

In February 2021, Britt was involved in a high-speed car crash that left a five-year-old girl in a coma.

Britt crashed into two vehicles on an entrance ramp to the highway near Arrowhead Stadium at 84 miles per hour.

Five-year-old Ariel Young was in one of the cars and suffered a traumatic brain injury in the accident.

Police officers reportedly smelled alcohol on Britt, who they added had bloodshot eyes.

His blood alcohol level was measured at 0.113, well above the legal limit of 0.08, local ABC affiliate KMBC reported.

In April 2021, Britt was charged with drunk driving and he was handed a three-year jail sentence in 2022.

In a hugely controversial move, Britt’s sentence was commuted in March by Missouri Governor Mike Parson after serving 16 months in jail.

He is now slated to remain under house arrest until October 2025.

“We went to court, we [were] told, you’re going to get justice,” Young’s mother Felicia Miller told ESPN.

“He’s put away for a year and about three months. So we didn’t get [any] justice. It’s not enough.

“I know they say sometimes you have to forgive and forget to move on.

“But looking at my baby every day and seeing my daughter, how she has to live, and then seeing how he could be back at home, comfortable.”

She added, “He keeps just getting a little slap on a wrist when you keep just letting somebody get away, get away, get away.

“They’re going to continue to do it.”