Question: Who created the show with the fictional character of Gregor Mann?

full_context: Document 1: Lahnstein family: The Lahnstein family is a very wealthy and aristocratic prestigious fictional family on the German soap opera "Verbotene Liebe (Forbidden Love)". The Lahnsteins have been a staple on "Verbotene Liebe" since their introduction in September 2003.
Document 2: Kim Wolf: Kimberly "Kim" von Lahnstein (adopted Wolf, married Sanchez) is a fictional character of the German soap opera "Verbotene Liebe (Forbidden Love)". Lisa Tomaschewsky introduced the role on April 13, 2011, but was eventually recast with actress Nicole Mieth, who took over the part on May 10, 2011.
Document 3: Verbotene Liebe: Verbotene Liebe (, lit. "Forbidden Love") is a German television soap opera created by Reg Watson for Das Erste. The show is set primarily in the German city of Düsseldorf although, at times, the city of Cologne and the Spanish island of Majorca have figured prominently in the show's story lines. First broadcast on 2 January 1995, "Verbotene Liebe" was originally broadcast in 24-minute episodes, five times a week. It expanded to 45-minute episodes on 21 June 2011 and trimmed back to 40-minute episodes on 23 January 2012 to accommodate an adjusted time-slot. In 2006, Pay-TV network Passion began broadcasting episodes of the show from the beginning.
Document 4: Dana Wolf: Dana Wolf is a fictional character of the German soap opera "Verbotene Liebe (Forbidden Love)". She has been portrayed by Diane Willems from 27 January 2011 to 10 September 2014.
Document 5: Johannes von Lahnstein: Johannes von Lahnstein is a fictional character on the German soap opera "Verbotene Liebe (Forbidden Love)". The character was portrayed by actor Thomas Gumpert from 23 September 2003 to 9 January 2008.
Document 6: Gregor Mann: Gregor von der Waldenau (born as Mann) is a fictional character from the German soap opera "Verbotene Liebe (Forbidden Love)", portrayed by actor Andreas Jancke. He made his first appearance on screen on 16 February 2005 and left the show on 12 March 2010.
Document 7: Florian Brandner: Florian Brandner is a fictional character on German soap opera "Verbotene Liebe (Forbidden Love)". The character was first played by Frédéric A. Komp from 2 January 1995 to the fall of 1996 and again in February 1997 and from June to October 1998. The character was recast with actor Alex Huber four years later, on 12 July 2002. Huber left after one and a half year, when the character was written out. He made his last appearance on 15 January 2004.
Document 8: Christian Mann: Christian Mann is a fictional character on German soap opera "Verbotene Liebe (Forbidden Love)". He is portrayed by actor Thore Schölermann from 27 November 2006. Schölermann was initially supposed to take a break after December 2012. However, it was later reported that the actor will not return full-time but in a limited capacity.
Document 9: Arno Brandner: Arno Brandner is a fictional character on German soap opera "Verbotene Liebe (Forbidden Love)". The character was portrayed by actor Konrad Krauss, who first appeared in the series premiere on 2 January 1995.
Document 10: Jan Brandner: Jan Brandner is a fictional character on German soap opera "Verbotene Liebe (Forbidden Love)". The character was played from the show's debut on January 2, 1995 to August 27, 1997 by actor Andreas Brucker. In March 2011, the role was surprisingly recast with actor Hubertus Grimm; reinstating the Brandner family and the original story of the show. Grimm debuted in the role on June 23, 2011. The role was reactivated on short-term for a special of the show on the Spanish island Mallorca. The character made his last appearance on January 18, 2012.
Document 11: Lars Schneider: Lars Schneider is a fictional character of German soap opera "Verbotene Liebe (Forbidden Love)". The character has been played by actor Herbert Ulrich from 24 October 2002 to 18 May 2005 and again from 13 October 2006 to 29 August 2008.
Document 12: Sebastian von Lahnstein: Sebastian von Lahnstein is a fictional character from the German soap opera "Verbotene Liebe (Forbidden Love)". The character was portrayed by actor Joscha Kiefer from November 26, 2007 to October 13, 2009. The part was recast with Sebastian Schlemmer who took over the role on October 19, 2009.
Document 13: Jens Kramer: Jens Kramer is a fictional character on the German soap opera "Verbotene Liebe (Forbidden Love)". The character was portrayed on recurring basis from September 24, 2008 to March 3, 2009 by actor Antonius Hermlin. The actor returned afterwards as a hallucination, before seen again in September 2010, when Jens is released from a psychiatric clinic, to the character's death in October 2010.
Document 14: Matthias Brandner: Matthias Brandner is a fictional character from the German soap opera "Verbotene Liebe (Forbidden Love)" portrayed by actor and entertainer Thomas Ohrner. He made his first appearance on screen on 15 January 2008 and had his final appearance on 14 December 2010.
Document 15: David Brandner: David Brandner is a fictional character on the German soap opera "Verbotene Liebe (Forbidden Love)" portrayed by actor Sven Koller from September 11, 2008 to June 15, 2010.
ground_truth: Reg Watson
sub_queries: Gregor Mann >> present in work Answer: Verbotene Liebe
Who is Verbotene Liebe by? Answer: Reg Watson