Sister Wives star Janelle Brown was candid about the hardships of being in a polygamous family years before her separation from Kody Brown. As the family faces what may be their most devastating loss yet with the unexpected death of Kody and Janelle’s son Garrison, RadarOnline.com is looking back on what led the duo to take some time apart years ago. Garrison died from an aparent suicide on March 5. Flagstaff police told us that Garrison appeared to have suffered a self-inflicted gunshot wound. Sources close to the Browns said they will capture the aftermath of Garrison’s death in season 19, a…