A man has died in hospital following a collision on the A66 near Warcop.
Officers were called to the incident at about 12.15pm on Monday May 23.
The collision involved a Volkswagen Golf, Volkswagen T Cross and a HGV.
Steven Goodings, 60, of Tyne and Wear was the driver of the Golf. He died in hospital on June 16.
A passenger in the vehicle Christine Goodings, 61, of Tyne and Wear, died at the scene.
The driver of the T Cross, a woman in her 50s, was in hospital but has since been discharged.
Two further people suffered minor injuries.
Officers are still appealing for witnesses to get in touch.
Anyone with information relating to this incident can report online at www.cumbria.police.uk/report-it or contact DC 2593 Middleton at SCIU@cumbria.police.uk, quoting incident number 87 of 23rd May 2022 or call 101.
Alternatively, contact Crimestoppers, anonymously, on 0800 555 111.