A second person has died following the collision on Good Friday on the A1104 at Snape Hill, Saleby near Alford.
The 16-yr-old boy from Lincoln who was a passenger in the black Vauxhall Corsa died at Hull Royal Infirmary on Saturday evening (19th April).
Another six people remain in serious condition in hospital.
Police do not expect to confirm the names of the people who died until Tuesday of this coming week.
Police are still appealing for witnesses and ask anyone who was in the area of the A1104 at Snape Hill, near Alford, at 4.30pm on Good Friday who saw the collision itself or saw either the black Vauxhall Corsa or the red Ford C-Max prior to the collision to call police on 101 or the witness hotline on 01522 558855.