Question: Where did Jermaine Jackson's famous musical family group originate?

Context articles: Torture (The Jacksons song)
Agnes Buen Garnås
Jermaine (1980 album)
Tell Me I'm Not Dreamin' (Too Good to Be True)
Jermaine Jackson (album)
Do What You Do (Jermaine Jackson song)
Jan Hambourg
Jackson family
Jermaine Jackson
Truth in Music Advertising

"Torture" is the second single released off the album "Victory" by the band The Jacksons.
 Written by Jackie Jackson and fellow Motown veteran Kathy Wakefield, the song is about someone ending a relationship and the torture that a person can receive while trying to end it.
 Jackie was originally going to sing the song with his brother, Michael, but Jackie's role instead went to Jermaine Jackson, whose availability for the album was in question until the last minute.
 The rest of the Jacksons sang the chorus along with Michael and Jermaine.
Agnes Buen Garnås (born 23 October 1946) is a Norwegian folk singer from the county of Telemark.
 She comes from a famous musical family from the town of Jondal, and is known particularly for her singing of ancient unaccompanied Norwegian ballads, as well as her updated arrangements of these songs in collaboration with the Norwegian saxophonist Jan Garbarek on the ECM album "Rosensfole".
Jermaine is the seventh studio album by Jermaine Jackson, his second album in 1980.
 Fresh off the success of "Let's Get Serious", Motown released this album in Fall 1980.
 Charting on the R&B albums chart at 17 with two singles ("You Like Me Don't You" and "Little Girl (Don't You Worry)") charting top 20 on the R&B singles chart, respectively.
 Also included is a cover of Tyrone Davis's "Can I Change My Mind".
 Also included as a musician on this album is family friend John McClain, who would later become one of the executives of the estate of Jermaine's brother, Michael Jackson.
"Tell Me I'm Not Dreamin' (Too Good to Be True)" is a song by Jermaine Jackson featuring his younger brother Michael Jackson, taken from Jermaine Jackson's self-titled album.
 Jason Elias of Allmusic called this song "percolating and infectious."
Jermaine Jackson (released internationally as Dynamite) is the tenth studio album by United States singer-songwriter Jermaine Jackson, released in 1984.
 It was his debut album with Arista after leaving Motown.
 The album features Whitney Houston and his brothers Michael, Tito and Randy.
 Overall, it stands as one of Jermaine Jackson's most commercially successful albums, selling over 900,000 copies in the US to date and being certified Gold by the Recording Industry Association of America (RIAA).
"Do What You Do" is a single by American R&B singer Jermaine Jackson, sibling of singers Michael and Janet Jackson and former member of The Jackson 5.
 It was released as the second single his album, which was called "Jermaine Jackson" in the United States and "Dynamite" in the United Kingdom and other countries.
Jan Hambourg (27 August 1882 –29 September 1947) was a Russian violinist, a member of a famous musical family, who made his career in Europe during the early 20th century.
The Jackson family is an American family of singers who originated in Gary, Indiana.
 Performing as members of The Jackson 5 and as solo artists, the children of Joseph Walter and Katherine Esther Jackson were very successful in the field of popular music from the late 1960s onwards.
 As a group, the eldest sons Jackie, Tito, Jermaine, Marlon, Randy and Michael, made the family's reputation, facilitating the subsequent success of siblings Rebbie, La Toya, and Janet.
 The Jackson 5 became known as the "First Family of Soul" (a title first held by the Five Stairsteps).
 The continued success of Michael and Janet's careers as solo artists led the Jacksons to become known as the "Royal Family of Pop".
 All nine of the Jackson siblings have gold records to their credits with La Toya holding the distinction of being the first Jackson sister to attain one (awarded by France's SNEP for "Reggae Night", a song she co-wrote for Jimmy Cliff).
Jermaine La Jaune Jackson (born December 11, 1954) is an American singer, bass guitarist, composer, and occasional film director.
 Jackson is mostly known for having in the past been a member of The Jackson 5.
 Jackson also produced and recorded duets with American singer Whitney Houston in her early years as a recording artist and was a producer for Bobby DeBarge's band Switch.
 Jackson is the fourth child of the Jackson family.
The Truth in Music Advertising act or bill, also known as Truth in Music Performance Advertising or simply Truth in Music, is legislation, adopted into state law by most U.S. states, that aims to protect the trademark of musical recording artists.
 The legislation provides that the name of a famous musical group cannot be used by a group of performers unless they include at least one member of the original group.
 The intent of the legislation is to prevent unfair or deceptive trade practices, and to protect the livelihood of musicians who were in famous musical groups.