Mother Who Poisoned Two Children Sentenced to Eight Years After Postpartum Psychosis Diagnosis Stassa Edwards5/18/16 12:40pm2534EditInvite manuallyPromoteDismissUndismissHideGo to permalinkLisette Bamenga, a former New York City teacher accused of the 2012 murders of her two children, five-year-old son Trevor Noel Jr. and four-month-old daughter Lillian Noel, was sentenced to eight years prison yesterday.