Question: Bertrand Grospellier is a Team PokerStars, an online what owned by The Stars Group?

Context paragraphs:
André Akkari: André Akkari (born December 28, 1974 in São Paulo, Brazil) is a Brazilian professional poker player.  He is a member of Team PokerStars Pro Brazil and is the winner of the 2011 World Series of Poker $1,500 No-Limit Hold'em event.

J. P. Kelly: John-Paul Kelly, known as J.P. Kelly, is a professional poker player from Aylesbury, England.  Kelly is a two time World Series of Poker bracelet winner, having won the 2009 World Series of Poker $1,500 Pot Limit Hold'em event in Las Vegas and then later that same year won another bracelet at the 2009 World Series of Poker Europe in the £1,000 No Limit Hold'em event in London.  He was a member of team PokerStars Pro, playing under the screen name "jp Kelly" However, his association with PokerStars has since ended.

Bertrand Grospellier: Bertrand Grospellier (] ; born February 8, 1981 in Melun), also known as ElkY , is a poker player and former "" and "Warcraft III" eSports player.  He has won a World Poker Tour (WPT), a World Series of Poker (WSOP) bracelet and a European Poker Tour (EPT) title, giving him the Triple Crown.  He is a Team PokerStars Pro and he currently resides in London, England.  Grospellier is ranked #77 on the Global Poker Index (info from July 8, 2014).  In November 2015 Grospellier returned to the eSports scene by joining Team Liquid as a "" player.

PokerStars: PokerStars is an online poker cardroom owned by The Stars Group.  It can be accessed through downloadable poker clients for the Windows, macOS, Android and iOS.

Dario Minieri: Dario Minieri (] ; born 1985) is an Italian professional poker player from Rome, Italy who won a bracelet at the 2008 World Series of Poker at the age of 23, is a member of team PokerStars, is an online poker player who was the first person to collect enough "Frequent Player Points" to buy an automobile with them, and is a three-time European Poker Tour final tablist.

Viktor Blom: Viktor Blom (born 26 September 1990) is a Swedish high-stakes online poker player, best known by the online poker name Isildur1.  His rise to fame drew considerable attention around the poker world in late 2009, when he took part in all ten of the largest pots in online poker history.  In December 2010, it was announced that then-anonymous Isildur1 had joined Team PokerStars Pro.  Blom's identity was revealed by PokerStars on January 8, 2011, at the PokerStars Caribbean Adventure.  Blom parted ways with PokerStars in August 2012 and was quickly signed-up by Full Tilt Poker on October 15, 2012, along with rival high-stakes player Tom Dwan.

Full Tilt Poker: Full Tilt Poker is an Irish online poker card room and online casino that opened in June 2004.  Formerly privately owned by Tiltware, LLC and later by the Rational Entertainment Group, the site was acquired by The Stars Group (then known as Amaya Gaming Group) in a deal where Amaya acquired all of Rational's assets, including PokerStars.  A statement by Amaya said the takeover would not affect the activities of Full Tilt Poker.  The deal was closed on August 1, 2014.

Vanessa Rousso: Vanessa Ashley Rousso (born February 5, 1983) is an American professional poker player.  Born in White Plains, New York, Rousso holds dual citizenship with the United States and France.  Rousso was a member of Team PokerStars from 2006 to 2015, with the online name Lady Maverick.  She is a spokesperson for GoDaddy.com.  She has earned money as a professional poker player since 2005, and has become one of the game's sex symbols.

Steve Paul-Ambrose: Steve Paul-Ambrose (born 1983) is a poker player from Ontario, Canada who won the 2006 PokerStars Caribbean Poker Adventure (PCA), earning $1,388,600.  At the time a World Poker Tour event, he won his PCA entry through an online $102 satellite tournament on PokerStars.  He used to be a member of PokerStars Team Pro.

Jason Somerville: Jason 'JCarver' Somerville (born April 15, 1987) is an American poker player and Team PokerStars Pro specializing in Texas Hold'em.  He has one World Series of Poker bracelet and 3.9 million in live tournament results.  He is the founder of Run It UP, a video/live stream series where viewers are encouraged to watch, listen, and learn as he turns $50 into $10,000.  He has been a contributor to the PokerVT training team as an advanced instructor in poker tournaments and a “Ones to Watch” for the World Poker Tour XI Season.

Supporting paragraphs: Bertrand Grospellier PokerStars
Answer: poker cardroom