Christon Callahan aka Greg Tyler, age 59 of Lower Sioux Community formerly of St. Louis Park, passed away Sunday, March 28, 2021 at his home due to natural causes.  Graveside Services will be held at 11:00 a.m. Tuesday, March 30, 2021 at St. Cornelia’s Episcopal Cemetery in Lower Sioux Community.   Stephens Funeral Service – Redwood Valley Funeral Home is assisting the family with arrangements.