Samantha Win Tjhia (formerly Samantha Jo) was born in Barrie, Ontario, Canada to a Chinese father and Caucasian/Canadian mother, Charles and Leslie. She has two older brothers who reside in Toronto with the rest of her family. Samantha started acted at the age of 10, appearing in several toy commercials and print ads after winning Talent Search Canada 2001. She started martial arts at the age of 4 with Jiu Jitsu, but by the age of 17 she had become a competitive Wushu athlete.