Question: Which member of the Hart wrestling family wrestled under the name The Blue Blazer?

Context paragraphs:
Stampede Wrestling 50th Anniversary Show: The Stampede Wrestling 50th Anniversary Show (also called Stu Hart's 88th Birthday Celebration) was a professional wrestling supercard produced by the Stampede Wrestling promotion that took place on May 2, 2003, at the Ogden Legion Hall in Calgary, Alberta.  It was initially to be held at the Victoria Pavilion, however, the event was later moved to another venue.  The show was held to celebrate Stu Hart's 88th birthday as well as the 50th anniversary of Stampede Wrestling.  Ralph Klein, then Premier of Alberta, made a guest appearance at the event to honor the Hart wrestling family.  It was second reunion show to be held since the Stu Hart 50th Anniversary Show in 1995.  The event featured talent from both the original Stampede Wrestling and Ross and Bruce Hart's version.  Seven professional wrestling matches were featured on the card.

Bret Hart: Bret Sergeant Hart (born July 2, 1957), better known by the ring name Bret "The Hitman" Hart, is a Canadian-American retired professional wrestler, retired amateur wrestler, writer and actor.  A member of the Hart wrestling family and a second-generation wrestler, he has an amateur wrestling background, wrestling at Ernest Manning High School and Mount Royal College.  A major international draw within professional wrestling, he has been credited with changing the perception of mainstream North-American professional wrestling in the early 1990s by bringing technical in-ring performance to the fore.  Hart is widely regarded as one of the greatest professional wrestlers of all time; Sky Sports noted that his legacy is that of "one of, if not the greatest, to have ever graced the squared circle".

The Hart Dynasty: The Hart Dynasty was a professional wrestling stable that appeared in World Wrestling Entertainment.  The unit consisted of the tag team of Tyson Kidd and David Hart Smith, and Natalya as a manager.  The group was named due to the connection of all three wrestlers to the Hart wrestling family; David Hart Smith is the son of Davey Boy Smith, Natalya is the daughter of Jim Neidhart, and Tyson Kidd trained under Bret Hart and at Stu Hart's Dungeon and is married to Natalya.  In 2014, Natalya began managing Kidd again.

Hart wrestling family: The Hart wrestling family, sometimes known as the Hart dynasty is a mainly Canadian family with a significant history within professional wrestling.  The patriarch of the family was wrestling legend Stu Hart (1915–2003).  An amateur and professional wrestling performer, promoter and trainer, Stu not only owned and operated his own wrestling promotion, Stampede Wrestling, but also trained some of the most well known and successful stars in wrestling history including Superstar Billy Graham, Fritz Von Erich, Edge, Chris Jericho, Chris Benoit, Christian and his sons Bret Hart and Owen Hart.  All of Stu's eight sons were wrestlers and two of them, Bret and Owen, achieved considerable fame and success in the World Wrestling Federation (WWF, now WWE), with many of the WWF's biggest storylines in the mid-1990s being built around Bret and Owen and their brothers-in-law.

Smith Hart: Smith Stewart Hart (November 28, 1948 – July 2, 2017) was an American-Canadian professional wrestler and a member of the Hart wrestling family.  His parents were Stu and Helen Hart.  Smith was the first of their twelve children, being one of their eight sons, Bruce, Keith, Wayne, Dean, Bret, Ross and Owen followed him.  He wrestled for the majority of his career in Canada but also worked briefly in other countries and is best known for his time in Stampede Wrestling and for his appearances for WWE.

Ross Hart: Ross Lindsay Hart, (born January 3, 1960) is a Canadian-American retired professional wrestler, promoter, trainer, booker, TV producer, coach and actor.  Hart is a member of the Hart wrestling family and the second youngest son of Stu and Helen Hart.  He is best known for his work in Stampede Wrestling and several appearances in WWE, often with his siblings Bruce, Keith, Bret, Diana and Owen Hart.

Stu Hart: Stewart Edward Hart, CM (May 3, 1915 – October 16, 2003) was a Canadian football player, amateur wrestler, sailor, professional wrestler, wrestling booker, promoter, coach and trainer.  He is best known for founding and handling Stampede Wrestling, a professional wrestling promotion based in Calgary, Alberta, and its associated wrestling school "The Dungeon".  As the patriarch of the Hart wrestling family, Hart is the ancestor of many wrestlers, most notably being the father of Bret and Owen Hart as well as the grandfather of Natalya Neidhart and David Hart Smith.

Owen Hart: Owen James Hart (May 7, 1965 – May 23, 1999) was a Canadian-American professional and amateur wrestler who worked for several promotions including Stampede Wrestling, New Japan Pro Wrestling (NJPW), World Championship Wrestling (WCW), and the World Wrestling Federation (WWF), where he wrestled under both his own name, and ring name The Blue Blazer.

The Hart Foundation: The Hart Foundation is the name of several derivative tag teams and stables composed primarily of members and close friends of the Hart wrestling family.  The name originated in the World Wrestling Federation in 1985 with the original Hart Foundation consisted of brothers-in-law Bret Hart ("The Hitman") and Jim Neidhart ("The Anvil").  Initially managed by Jimmy Hart (no relation), they won the WWF Tag Team Championship twice.  WWE has consistently ranked the original Hart Foundation as one of the greatest tag teams in wrestling history.

Hart Legacy Wrestling: Hart Legacy Wrestling (HLW) is a Canadian professional wrestling promotion operated by some members of the Hart wrestling family, it was founded mainly by Teddy Hart and his associates.  Smith Hart was also involved with the promotion prior to his death on July 2, 2017, his son Matt Hart is the current owner of the promotion.  Bret Hart has no involvement in HLW.

Supporting paragraphs: Hart wrestling family Owen Hart
Answer: Owen Hart