Grete Šadeiko: Wife of NFL Quarterback Robert Griffin III

Who is Grete Šadeiko?

Grete Šadeiko is an Estonian heptahlete. Grete Šadeiko was Florida University’s track and field star as a college athlete. Born in Türi, Estonia, Grete Šadeiko gained popularity after the athlete finished fourth with her personal record of 5705 points, just one point behind Helga Margrét Thorsteinsdóttir at the 2010 World Junior Championships. She is married to NFL quarterback Robert Griffin III.

Grete Šadeiko Biography
Grete Šadeiko Biography

Quick facts

Full nameGrete Šadeiko
Also known asGrete Griffin
BirthdayMay 29, 1993
Age30 years old
Sun signGemini
TraitsPositive: Intelligent, outgoing, adaptable, and clever
Negative: Double-faced, indecisive, impulsive, and unreliable
BirthplaceTüri, Estonia
ParentsJaanus Šadeiko (father)
Deivi Šadeiko (mother)
SiblingsGrit Šadeiko (sister)
Jade Šadeiko (sister)
Height5 feet 10 inches
Weight62 kg
CollegeFlorida University
Marital statusMarried
SpouseRobert Griffin III (Husband)
ChildrenReese Ann Griffin (step-daughter)
Gloria Griffin (daughter)
Gameya Griffin (daughter)
Net worthUSD 5 million

Early life, upbringing, and parents

The track and field star grew up in Estonia. The sports star was born into a middle-class Estonian family.

Her mother, Deivi Šadeiko, raised her. Grete’s mother, Deivi, is also a heptathlete. In fact, Grete adopted her mother’s surname instead of her father’s.

Grete has refrained from talking about her father till now. Many have speculated that she is not on talking terms with her father, who probably abandoned Grete and her family long ago.

Grete Šadeiko also has an older sister named Grit Šadeiko and a younger one named Jade. Like Grete, Grit is also a heptathlete who competed in the 2012 Olympics. In addition, she finished 1st at the 2011 European Athletics U23 Championships held in Ostrava, Czech Republic.

Grete Šadeiko with her mother and sisters
Grete Šadeiko with her mother and sisters

Being born into a family of heptathletes meant that Grete could get a good grasp of the sport at an early age. This also taught her the importance of leading a healthy lifestyle and taught her important values such as hard work, sportsmanship, and discipline.

Deivi Šadeiko raised Grete and here sister as a single mother and ensured that she did everything in her power to provide her kids with a normal childhood and a good upbringing.

Grete Šadeiko Birthday

The heptathlete was born on May 29, 1993. She was born in Türi, Estonia.

As Grete was born on 29th May, she is a Gemini. People having this zodiac sign are known to be charming and loyal. They are excellent communicators and are the quintessential social butterflies. Likewise, they are intelligent, outgoing, and adaptable.

Ethnicity, religion, and nationality

When it comes to Grete’s ethnicity, the athlete is Caucasian. However, she is an Estonian national and is a Protestant Christian.

Height, weight, and appearance

Grete is 5 feet and 10 inches tall. Similarly, her weight is estimated to be approximately 62 kilograms.

Grete Šadeiko Photo
Grete Šadeiko Photo

When it comes to her appearance, Grete looks slim and athletic. She has blue-colored eyes and blonde eyes. She also has a tattoo of her husband’s name on her left arm.

Educational background

Šadeiko completed her high school education in Estonia. She studied at Türi Uhisgumnaasium High School.

Upon graduation, she left her home country and moved to the USA for her further studies. She enrolled at Florida University and graduated in 2012 with a Psychology major.


Robert Griffin III (husband)

Šadeiko’s husband, Robert Lee Griffin III, is an American football quarterback known by the nickname RG3. He was born on February 12, 1990.

The free-agent football player started his career at Baylor University, a part of the university’s football team Baylor Bears. His exceptional performance won several awards and trophies, including the Heisman Trophy.

Grete Šadeiko with her husband Robert Griffin III

Griffin got drafted second overall by the Washington Redskins in the 2012 NFL Draft. RG3 set records for the highest passer rating and the highest touchdown to interception ratio by a rookie quarterback in his rookie season. Likewise, he led the Redskins to their first division win in over ten years.

In 2015, Griffin signed with the Cleveland Browns after the Redskins replaced him with Kirk Cousins. However, he only spent one season with the Browns, after which he was let go. After this, RG3 spent the entire 2017 season as a free agent. The player has been signed with the Baltimore Ravens since 2018.

When it comes to his personal life, Robert was previously married to fellow Baylor student Rebecca Liddicoat. The couple separated in 2016 after three years of marriage. Rebecca and Robert share a daughter named Reese Ann, who was born in 2015.

Robert Griffin and Grete Šadeiko Wedding

In August 2016, news about Grete Šadeiko’s romantic involvement with NFL quarterback Robert Griffin III surfaced. While many reports claim that Robert and Grete’s relationship blossomed before Griffin’s divorce from his wife Rebecca, many contrasting reports also state that they only got together after Griffin’s divorce.

Confirming their relationship, she announced her engagement to Robert on 13th May 2017. Along with this, she also announced that the couple was expecting their first child together.

The heptathlete wrote,

“Today was the happiest day of my life, and the last eight months have been the most exciting time ever. The man of my dreams and love of my life asked me to marry him today, and we are one month away from welcoming our beautiful baby into this world.”

They got married on 10th March 2018 in an extravagant wedding ceremony held in Miami. The NFL quarterback shared the news of his wedding on Instagram and uploaded many photos of the happy couple.

He wrote,

“First name Grete and last name Griffin. All I ever wanted to be for you was your hero. But, it turns out that all along, you were mine.”

Grete Šadeiko wedding photo

Griffin wore an unconventional blue coat with a grey bow tie and silver Louboutins. Grete looked ravishing as she walked down the aisle in a custom wedding gown designed by Berta Balilti. The mermaid-style wedding gown was embellished with sparkly lace details and featured a plunging neckline.

Her hair was styled in classic waves, and she kept her makeup elegant with silver smoky eyeshadow. The bride completed her look with a tiara and a floor-grazing veil.

Celebrity wedding planner Tiffany Cook organized the ceremony. Likewise, the athlete couple installed a specialty lightbox like the one used at the Met Gala to create their wedding music video to Drake’s “God’s Plan.”

After exchanging their wedding vows, Grete and Robert danced to Ed Sheeran’s “Perfect” and enjoyed the four-tiered wedding cake.


The athlete couple welcomed their first daughter Gloria Griffin on 2nd July 2017. Gloria is Grete’s first child and Robert’s second.

He also shares a daughter named Reese Ann Griffin with his ex-wife Rebecca Liddicoat. Almost a year after the birth of their first child, Robert and Grete welcomed their youngest daughter Gameya Griffin on March 10, 2018.

Grete Šadeiko’s Duaghters
Grete Šadeiko’s Daughters, Gloria and Gameya Griffin

Gameya was born in the Baltimore area, and just after her birth, her father caught a flight late Saturday night to join his team at its hotel before their game. The NFL player also flaunted Grete’s hospital bracelet during his Sunday game.

As of now, Robert Griffin and Grete are expecting their third daughter.

Grete Šadeiko career

Grete Šadeiko is a female heptathlete. The heptathlon is a track and field sport that is comprised of seven events.

Women’s heptathlon is conducted outdoors and takes two days to complete. It includes 100 meters hurdles, high jump, shot put, 200 meters, long jump, javelin throw, and 800 meters.

Šadeiko, a family of athletes, gained worldwide popularity when she made her sports debut at the 2010 World Junior Championships held in Moncton, Canada. The Estonian beauty wowed everyone with her exceptional performance.

Likewise, Šadeiko also claimed the fourth position and set a personal record of 5705 points. She was placed just behind Icelandic heptathlete Helga Margrét Thorsteinsdóttir by just one point.

After such a remarkable achievement, Šadeiko participated in the 2012 World Junior Championships in Barcelona, Spain. Her performance was widely appreciated, and Šadeiko was able to achieve the ninth position.

Following this, the heptathlete took part in the 2015 European U23 Championships. Her performance improved, and she recorded PB 5,813 points while finishing in the fifth position.

Saideko was trained by her coach Leonhard Soom and was affiliated with the club KJK Järvala for the Tokyo Olympics.

Apart from this, Grete Šadeiko is also a businesswoman. The Estonian heptathlete runs her own Glow Fitness, which provides customers with customizable fitness programs and workout equipment.


Šadeiko has finished the 600m dash within a 1.77 s timeframe. Her timeframe for 200m is 25.40 s indoors and 24.52 s outdoors.

Grete Šadeiko
Grete Šadeiko

Likewise, her record for the 800 m indoor race is 2:23.22 min. In addition, she has been able to finish the 100m hurdles within 13.92 s and 600m hurdles within 8.60 s.

The athlete has completed her high jump within 1.74 m indoors and 1.76 m outdoors. Her heptathlon outdoor record is 5813 p.

Grete Šadeiko Controversies

When news about Grete’s romantic involvement with Robert Griffin III became public, many accused the Estonian heptathlete of being the other woman in Griffin’s marriage to Rebecca Liddicoat. In fact, Liddicoat herself blasted Griffin on her Twitter account and accused him of having an extramarital affair with Šadeiko.

Liddicoat found out about his infidelity shortly after delivering her daughter when she discovered Griffin’s Instagram romance with Šadeiko. Griffin responded to his ex-wife’s allegations on Twitter. He wrote, “A lie will get halfway around the world before the truth.”

Grete Šadeiko Net worth

Grete Šadeiko’s net worth is estimated to be approximately USD 5 million as of 2023. The star athlete makes a good deal of earnings from the national championships she participates in. She also earns some income from her business Glow Fitness.

Robert Griffin and Grete Šadeiko with their daughters
Robert Griffin and Grete Šadeiko with their daughters

However, since Grete has yet to claim the winning prize, her net worth will probably increase once she bags the first prize in the coming years. Grete’s lifestyle is quite luxurious due to such impressive net worth. The heptathlete is the proud owner of her lavish home as well as many expensive sports cars.

Social media

Grete Šadeiko Instagram

The heptathlete has quite an active Instagram account. 56.6k people follow her, and she herself follows 198 others. Her username is “gretegii,” and her account mainly contains glamorous photos of herself, including pictures with her husband and adorable daughters.

Besides this, Grete also has an Instagram account dedicated to her fitness brand Glow Fitness. Glow Fitness’s account handle is “glowfitness101,” and 4,556 people follow it. The brand’s account features many products, like resistance bands, waist trimmers, and customizable fitness programs.

Grete Šadeiko Twitter

Joined in July 2013, Grete Šadeiko is active on Twitter under the handle “GGriffinIII.” She is followed by more than 5,400 people and follows 22 other accounts.

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