Nicholas Lovell will be sentenced on the 22 May for causing the deaths of Ross and Clare Simons by dangerous driving after he collided with their tandem bike near Bristol in January.
Mr Lovell's partner Louise Cox has pleaded guilty to perverting the course of justice and will also be sentenced next month.
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Rohey Hydara said that she "condemns" her husband's actions, almost a week after he killed four people.
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