The five-year-old girl and two-year-old boy died in a car fire in Westmeath on Friday.
Gardaí are appealing for anyone with information surrounding the deaths of Thelma and Mikey Dennany in Westmeath.
The children tragically died in a car fire at Lacken in Multyfarnham on Friday (9 September).
A criminal investigation has been launched into the deaths of the children, and updates are set to follow.
An Garda Síochána are continuing to appeal to anyone with any information in relation to the fatal incident to contact them.
Gardaí are particularly appealing for any road users or other people who were in the area on Friday between 2pm and 4pm with any video footage, dashcam or otherwise, to make that footage available to the investigation team.
Anyone with information can contact the incident room at Mullingar Garda Station at 044 938 400.
Those with information can also contact the Garda Confidential Line on 1800 666 111, or any Garda Station.
The Incident room at Mullingar Garda Station can be contacted on 044 9384000, or contact the Garda Confidential Line 1800 666 111 or any Garda Station.
A Garda family liaison officer has been assigned, and continues to keep the family updated at this time.