Ahmedabad: A woman dentist, feeling ignored by the family, allegedly killed her brother and his 14-month-old daughter through poisoning within the span of 25 days, Patan police in Gujarat said Friday.

Kinnari Patel (28) was arrested from Ahmedabad on Thursday after a complaint by her father, inspector R G Chaudhari of Patan police. Kinnari's brother Jigar Patel (32) had died on May 5 while his 14-month-old daughter Mahi had died on May 30. Narendra Patel, the accused woman's father, told the police that his son Jigar had started complaining of symptoms of illness including seizures some six months ago.