Question: Are both London LeGrand and Michael Locher Swiss musicians?

full_context: Document 1: Souls of We: Souls of We (also known as George Lynch's Souls of We) is an American hard rock supergroup from Los Angeles, California, formed in 2007. The lineup consists of London LeGrand (vocals), George Lynch (guitar) and Johny Chow (bass). Since 2009, Jordan Mancino has been the band's drummer, replacing Yael.
Document 2: Brides of Destruction: Brides of Destruction was a short-lived American hard rock supergroup from Los Angeles, California, formed in 2002. The band's last lineup consisted of singer London LeGrand (vocals), Tracii Guns (lead guitar) and Scot Coogan (drums, percussion). Previous members of the band were Nikki Sixx (bass), Kris Kohls (drums), Adam Hamilton (keyboard), John Corabi (rhythm guitar), Scott Sorry (bass) and Ginger (rhythm guitar).
Document 3: George Lynch (musician): George Lynch (born September 28, 1954) is an American hard rock guitarist and songwriter. Lynch is best known for his work with 80's "hair metal" band, Dokken, and his post-Dokken solo band, Lynch Mob. Lynch is considered to be one of the most influential and famous 1980s metal guitarists. He is known for his unique playing style and sound. He is ranked #68 on "100 Greatest Guitarists Of All Time" by Guitar World magazine and is also ranked #10 on "Top 10 Metal Guitarists Of All Time" by Gibson.
Document 4: London LeGrand: Edward "London" LeGrand born 30 July 1966. Is an American musician, lyricist, and vocalist best known for his time with hard rock supergroup Brides of Destruction with Nikki Sixx of Mötley Crüe and Tracii Guns of L.A. Guns. After the group went on hiatus he formed another band with George Lynch of Dokken and Lynch Mob fame called Souls of We releasing their debut album "Let the Truth Be Known" in 2008. He also has a side-project named Rockstars on Mars whose demos can be heard on the band's Myspace page.
Document 5: Michael Gregor (musician): Michael Gregor (also known as Silenius) is an Austrian musician who is currently in the bands Amestigon (since 1998) as vocalist, Kreuzweg Ost as programmer, and Summoning as vocalist, keyboardist, and bassist; the two latter bands are bands that he is a founding member of. He supplied vocals for Abigor from 1994 to 1999 and appeared on seven of Abigor's releases. Silenius was vocalist and keyboardist for Pazuzu and played on the band's split album and debut album. Along with fellow Summoning bandmate Richard Lederer, Silenius also used to be a member of Die Verbannten Kinder Evas, serving as a vocalist and a keyboardist. Silenius has recorded music for a project called "Mirkwood", of which no material has yet been released.
Document 6: Michael Locher: Michael Locher (a.k.a. "Vorphalack", or simply "Vorph") (born 7 January 1969) is a Swiss musician who provides vocals and is a guitarist for Swiss industrial/black metal band Samael. He co-founded the band in 1987 with his brother Alexandre Locher (also known as "Xytras" or "Xy") on drums. Michael's musical influences include Celtic Frost, Slayer, Iron Maiden, Motörhead, Venom, Bathory, and early Possessed. Michael particularly points to Bathory as a source of inspiration for vocals:
Document 7: Ed Roland: Edgar Eugene Roland, Jr. (born August 3, 1963) is an American musician, singer-songwriter and record producer. He is best known as the lead vocalist and primary songwriter of the rock band Collective Soul. He is also active with a new project, Ed Roland and the Sweet Tea Project.
Document 8: Mikael Åkerfeldt: Lars Mikael Åkerfeldt (born 17 April 1974) is a Swedish musician, prominently known as the lead vocalist, guitarist, and primary songwriter of progressive death metal band Opeth, as well as being the former vocalist of death metal supergroup Bloodbath. He was also guitarist for the "one-off" band Steel, and is part of the collaboration Storm Corrosion with Steven Wilson.
Document 9: Michael Amott: Michael Amott (born 28 July 1969) is a Swedish guitarist, songwriter, founding member of the bands Arch Enemy, Spiritual Beggars, and Carnage, as well as a former member of the grindcore band Carcass. He is the older brother of Christopher Amott. Some major influences in his music have been Tony Iommi, Michael Schenker, Uli Jon Roth and Dave Mustaine.
Document 10: Slash (musician): Saul Hudson (born July 23, 1965), better known by his stage name Slash, is a British-American musician and songwriter. He is best known as the lead guitarist of the American hard rock band Guns N' Roses, with whom he achieved worldwide success in the late 1980s and early 1990s. During his later years with Guns N' Roses, Slash formed the side project Slash's Snakepit. After leaving Guns N' Roses in 1996, he co-founded the supergroup Velvet Revolver, which re-established him as a mainstream performer in the mid to late 2000s. Slash has since released three solo albums: "Slash" (2010), featuring an array of famous guest musicians, and "Apocalyptic Love" (2012) and "World on Fire" (2014), recorded with his band, Myles Kennedy and the Conspirators. He returned to Guns N' Roses in 2016, nearly 20 years after he had left.
Document 11: Samael (band): Samael is a Swiss symphonic black/industrial metal band formed in 1987 in Sion, Switzerland.
Document 12: Conrad Lant: Conrad Thomas Lant (born 15 January 1963), also known by the stage name of Cronos, is an English musician. He is the vocalist and bass player of the influential Thrash metal/black metal band Venom, from 1979 to 1989 and from 1994 to present.
Document 13: Thomas Gabriel Fischer: Thomas Gabriel Fischer (born 19 July 1963), also known by his stage names of Tom G. Warrior and Satanic Slaughter, is a Swiss metal musician. He is considered to be one of the pioneers of the death metal style of singing, which resembles guttural growling. He led the groups Hellhammer and Celtic Frost, and today is the frontman of the band Triptykon.
Document 14: Let the Truth Be Known: Let the Truth Be Known is the debut album by hard rock supergroup Souls of We released on May 27, 2008 via the group's official website with the first 1000 copies, with blues musician Robert Johnson inspired album artwork, signed by members London LeGrand and George Lynch. The album was later released on November 4 of the same year, through Shrapnel Records, under the moniker "George Lynch's Souls of We" with new album artwork, a rearranged track listing as well the additional track "Nork 13". The album was self-produced in various studios around Los Angeles and mixed by Mudrock, who has work with bands such as Avenged Sevenfold and Godsmack.
Document 15: Christopher Amott: Christopher Amott (born 23 November 1977) is a Swedish guitarist and vocalist, younger brother of Michael Amott and founding member of the Swedish metal bands Arch Enemy and Armageddon.
ground_truth: no