Diana Lynn (Barth) Brantl, 61, of Great Falls, an RV parts manager, passed away Wednesday, December 26, 2012 from cancer at Peace Hospice. A memorial service will be held at 3:00 pm on Saturday, December 29, 2012 at O’Connor Memorial Chapel. Cremation has taken place under the direction of O’Connor Funeral Home. Diana is survived by her husband, Mark A. Brantl of Great Falls; daughter Paula Sondreal of Phoenix, AZ; son Mark J. Brantl of Post Falls, ID; sisters Vicki Nold of Jamestown, ND and Kristi Hammer of Hoffman, MN; brother Barry Barth of Duran, MN; and five grandchildren.