ARMSTRONG, Derek Fredrick – Born August 21st, 1984, Oshawa. It is with a heart full of sadness that the family of Derek announce his sudden passing, September 8th, 2016, as after a tragic car accident in Mayorthorpe, Alberta. Derek is the son of Debra Harrison and the late Glen Armstrong. Step-son of Tony, brother of Shellie and Melissa. Adoring and loving father to Montana Armstrong and her baby brother Keygan who passed away September 2001. Special godson to Barbara Robinson. A celebration of life will held Saturday September 24th, at the Bewdley Arena, 7060 Lake Street, Bewdley at 1:00pm. Interment at Ballyduff Cemetery at a later date.