Police are appealing for witnesses to an aggravated burglary in Ross on Wye.
It happened on Frome Valley Way at around 9.15pm on Thursday 3 September.
Three men dressed in all in black, wearing balaclavas and armed with several weapons are reported to have forced their way into a property before threatening the family inside.
The men searched rooms upstairs but left having not removed anything.
When the men left they appeared to get in a silver 4x4 which was parked on the road.
PC Terry Spence said: "Enquiries are currently ongoing and we are keen for anyone who saw the incident, has any information or saw anyone acting suspiciously in the area to please come forward.
“Any information, no matter how small, could be important to our investigation.”
Anyone with information is asked to call 101 or Crimestoppers anonymously on 0800 555111 quoting incident number 671i of 3 September 2020.