A Jersey City mother of four gave her life to save one of her children from being shot Saturday.Family members say 36-year-old Damaris Colon was holding a birthday party at her house, laughing with family and friends about a half hour before she was killed. Witnesses say Colon was shot saving her son as someone attempted to shoot him.Witnesses say the victim?s son was yelling, ?they killed my mom? as the woman fought for her life.