Alan Wright - described by a source as the head of the family - has been sentenced to four years in prison. He was found to have faked four crashes over a period of ten months.
Paul Jonathan Wright, who ran PJ Autos, a recovery, storage and vehicle hire business, has yet to be sentenced for his part in the "crash for cash" scam.
He is thought to be involved by making false claims for storing damaged cars and hiring out replacement vehicles at up to £200 a day.
Joseph Anthony Wright will serve 18 months in prison after pleading guilty to conspiracy.
Jonathan Wright was convicted and sentenced to 30 months in prison.
Robert Wright has been convicted and will serve nine months in prison.
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Major routes were brought to a standstill, homes were left without power and more than a hundred schools were forced to close due to snow.
Ben Stokes is due to appear in court on an affray charge on the same day he would be making his international return.
It's causing chaos on the region's roads but the snow has created some stunning landscapes across the North East.