Just a few hours after tucking into the sweet treat, she was hospitalised while her two sisters, Maida Bernice Flores da Silva, 58, and Neuza Denize Silva Dos Anjos, 65 and Neuza's 43-year-old daughter, Tatiana Silvia Dos Santos, were all dead.
Zeli Dos Anjos, 61, prepared a traditional "Bolo de Natal" for a family afternoon coffee gathering in Torres, a town near southern Brazilian town Porto Alegre, a couple of days before Christmas on December 23.
Police have since revealed they found traces of deadly poison arsenic in the family's bodies, and have arrested her daughter-in-law, Deise Moura, partner of Zeli's son Diego Dos Anjoson, on suspicion of murder and attempted murder.
The suspected triple homicide comes after Zeli Dos Anjos's husband, Paulo Luis, 68, died from 'food poisoning' caused by eating a contaminated banana several months prior.
Christmas cake 'murder' victims' relative killed by 'poisoned banana' in grim twist Three family members died after eating Chrismas cake believed to have been poisoned, just months after another relative died in unusual circumstances.
