Complex sentence: Following the deaths of her husband and daughter, Carol formed a close bond with fellow Atlanta camp survivors Lori Grimes and Daryl Dixon, and she became the surrogate mother to Lizzie and Mika Samuels after the death of their father, Ryan.
Split into simpler sentences: Following the deaths of her husband and daughter, Carol formed a close bond with fellow Atlanta camp survivors, Lori Grimes and Daryl Dixon. Soon, she became the surrogate mother to Lizzie and Mika Samuels after the death of their father, Ryan.