She told gardaí on the day the boy suffered his fatal injuries, she "snapped" and recalled "shaking him and screaming at him to behave" before he fell on the floor.

The 32-year-old man, who can't be named to protect the anonymity of his siblings, pleaded guilty to nine counts of raping his younger sister and three counts of anally and orally raping his little brother at various locations in the south-east of the country