Jane Baker-Lockett , 43, and her children, 12-year-old twins James and Amy Gaskin, died in a collision with an M&S lorry while driving towards Barnstaple in Devon.
The family from the Milton Keynes area were believed to have been travelling to a holiday in two cars when the collision happened on the A361 near Aller Cross.
Mrs Baker-Lockett’s husband Paul Lockett , 42, – stepfather to James and Amy was travelling separately in front of her white Kia Sportage with their son Jack, 14. Mrs Baker Lockett died at the scene on Monday and Amy was pronounced dead on arrival at North Devon District Hospital. James was taken to hospital in an air ambulance but died shortly after his arrival.