New York - A New York City man has been sentenced to 40 years in jail for fatally stabbing his wife and her two young children.

Jermaine Ruiz of Brooklyn also was ordered at his Monday sentencing never to contact his surviving twins.

The victims, 24-year-old Jessica Ybe, and her toddlers, 2-year-old Jelyhanna and 3-year-old Sasha, were killed in January 2010.

All three were partly wrapped in plastic bags.

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Ruiz had pleaded guilty to killing them in their Brooklyn apartment after learning Ybe planned to have a relationship with the father of one of the murdered girls.

According to reports, the judge signed an order prohibiting Ruiz from ever seeing the twins he had with Ybe.