Police are appealing for public assistance to help locate missing siblings 15-year-old Khiara , 13-year-old Dion and 7-year-old Jamison Meredith.
The children were last seen on Songlark Crescent in Werribee on 27 February.
It is believed the children may be with their parents Zoe Mates and Jesse Meredith.
Police have concerns for the welfare of the children.
Images of the children have been released in the hope that someone may recognise them and be able to provide information on the childrens' whereabouts.
Khiara is described as 170cm tall, of solid build with shoulder length blonde hair.
Dion is described as 166cm tall, of solid build with short brown hair and may be wearing reading glasses.
Jamison is described as 150cm tall, of average build with long brown hair.
Anyone who sees them or has information on their whereabouts is urged to contact Werribee Police Station on 9742 9444.
Khiara Meredith
Jesse Meredith
Jamison Meredith
Sergeant Megan Stefanec
Media Advisor
76828