"Our hearts have shattered into a million pieces... after a brief and unexpected battle with an insidious and relentless infection, today we kissed and held our darling Harrison for the last time," his mom Shannon wrote in a Facebook post.
"On June 17, 2017, 2:15pm, at the age of 2 years, 9 months, our beautiful, sensitive, thoughtful, cuddly, funny and infinitely brave firstborn baby boy peacefully gave up his fight and left all his pain and suffering behind. We are left heartbroken that we will never know the amazing person he was destined to become, but so honoured and thankful that he chose us as his parents so we could know how full our hearts and lives could be. Because of him, we know a love we never guessed was possible before he became ours for his short time in this world. 'Mamoo' forever, Little Love"