Katheryn Winnick is a household name in the world of historical TV series. Starring in Vikings as the ruthless Queen Lagertha, Katheryn has made herself a huge name on set.

But it isn't just Vikings that made us fall in love with this belle. Before landing this grand role, Katheryn played other smaller roles in TV series such as Bones, Criminal Minds,  and PSI factor.

For her, it has been a steady rise through the ranks. But all through this battle to the top, very little is known about her private life.

What does she do when the cameras stop rolling? And how has her personal life been before and after making the big Vikings debut?

Read on to find out.

15 Her Parents Made Sure She Learnt English

Katheryn is not a native English speaker. Her first language was Ukrainian. According to MakeFacts, Katheryn's parents forced her to learn English so that she could blend in well in school with her peers and the rest of her friends.

14 She Graduated With A Kinesiology Degree From York University In Toronto

Katheryn can do more than just acting - and she has papers to prove it. According to InfoUkes, Katheryn was awarded a Kinesiology degree from York University in Toronto.

The course deals with the study of human movement, something much complementary to her martial arts skills.

13 She Is A Martial Arts Expert

Speaking of martial arts, Katheryn is a certified martial arts expert. According to TV Guide, Katheryn started nurturing her skills from the tender age of seven, before earning her first black belt at a tender age of  13.

She's a second-degree blackbelt holder in Karate and a third-degree blackbelt holder in Taekwondo.

12 She Has Three Martial Arts Schools

Well, such young talent was bound to explode to something bigger. And true to conventional expectations, Katheryn opened three martial arts schools by the time she was 21. According to Martial Tribes, she opened her first school when she was 16.

11 She Is A Licensed Bodyguard

With such kind of martial arts training, who wouldn't want a bodyguard like her? While Katheryn may not be anyone's bodyguard at the moment, she's trained and licensed to be one. According to Katheryn-Winnick.net, on top of her martial arts accolades, she's legally fit to protect any top star at the red carpet and beyond.

10 She Studied Acting At New York’s William Esper’s Studio

Her love for education is beyond. Apart from having a degree in Kinesiology and black belts in martial arts, Katheryn also has formal acting education. According to TV Guide, Katheryn Winnick is an alumnus of the William Esper Studio.

9 Her First TV Appearance Was In 1999

If you've just known her from Vikings, then take a trip down memory lane. Katheryn Winnick's first appearance on TV was in 1999. According to IMDb, she debuted her career in PSI Factor, which aired in 1999.

8 She Is A Producer And Director

Yes, this is part of the many hats she wears. According to Variety, Katheryn got to direct part of the Vikings, debuting with the eighth episode of season six. The producer was so impressed with her acting that he wanted to keep her creative mind around for a while longer.

Related: 16 Little Known Facts About Katheryn Winnick’s Rise To Fame

7 Studied At A Buddhist Temple In Korea

More study for Katheryn. And this time, it was in a Buddhist temple in Korea. According to TV Guide, Katheryn spent time in the Buddhist temple studying, before a movie role forced her to leave.

6 She Eats Gluten-Free Foods Only

For someone so invested in the human body, the diet must be top of her priority list. And sure, it is. According to Vogue, Katheryn's diet has to be strictly gluten-free. She also takes time to watch over other food she eats, ensuring that her tone is unaffected.

Related: 20 Stunning Photos Of Vikings’ Katheryn Winnick