Complex sentence: Her mother, Zenobia "Jeanne" (née Xenakes), is a brokerage employee; her father, Donald Henry Fey (died 2015, age 82), was a university grant proposal writer.
Split into simpler sentences: Her mother, Zenobia "Jeanne" ("née" Xenakes), is a brokerage employee. Her father, Donald Henry Fey (died 2015), was a university grant proposal writer.