A two-vehicle head-on collision on Friday afternoon claimed the life of a mother and son with familial ties to Brady and it also sent a Mason County couple to the hospital each with serious injuries. The accident occurred just before 2 p.m. on Friday on Hwy. 87 South, approximately 13 miles north of Mason near Camp Air. Kristal Sue Trent, 32, of Clyde and her son, Monteciello Calamaco, 13, were pronounced dead at the scene by Mason County Justice of the Peace, J.