Final answer:
Angela helped care for Dwight's relative, Aunt Shirley, before her death in the television series 'The Office.'
Step-by-step explanation:
The name of Dwight's relative that Angela helped care for before her death is “Aunt Shirley.” This is a reference to a character in the television series “The Office.”
Angela, a character on the show, helped care for Aunt Shirley before she passed away, which is a testament to the close and complicated relationship between Angela and Dwight. Dwight's family is often mentioned throughout the series, depicting the various aspects of his rural and somewhat eccentric lifestyle.