Barcelos died instantly.
Her 76-year-old husband Josi Silveira Coimbra died Sunday of a heart attack while dancing at a party.
The driver of hearse and Barcelos' son suffered minor injuries.
Husband's coffin kills woman in Brazil
SAO PAULO, Brazil Police say 67-year old Marciana Silva Barcelos was in the front
passenger seat of the hearse when the accident occurred Monday in
the southern state of Rio Grande do Sul.
