Kirstie (16) and her brother Jared (17), a former Tranby student, from Baldivis, were chosen by Legacy to represent Western Australia and take part in the annual service at the War Memorial as part of the Florence Foundation.
Their dad Andrew died during training in the USA in 2000 after many years of service in the army, including a tour in Somalia.
Mum Kim also served in the army for 12 years while their grandfather served in the navy in Vietnam.
Kirstie said they usually marched under the Legacy banner in Perth each Anzac Day, but this was a unique opportunity.
‘When dad passed away, Legacy approached us and told us what they do and that they can assist us,’ she said.
Kirstie said they were both looking forward to the honour of attending the service in Canberra that will be televised across Australia.
‘It will be an honour laying the wreath,’ she said.
‘The day means reflecting on and appreciating the memories of dad and all the men and women that have died.’