The iconic boy band (plus a few fab sisters) started life in a modest two-bedroom in Gary, Indiana—then shot to worldwide fame The Jackson Five strike a pose by the pool of their home in Los Angeles in 1972. Photo: Michael Ochs Archives/Getty Images Ask anyone to name iconic boy bands over the decades, and most likely, The Jackson 5 will rank at the very top of the list. The Gary, Indiana , natives were introduced to the world as teen brothers Jackie, Tito, Jermaine, Marlon, and Michael Jackson—five out of nine siblings who also included future celebrities Janet and LaToya Jackson. Like many rags-to-riches stories, the quintet’s rise to fame seemed fated. After signing to Motown Records in 1969, The Jackson 5 immediately catapulted to superstardom.…