In response to this, one of their family members is organising a fundraiser so their needs are met as they grow older.
Casie Smith said the death of her husband's 33-year-old cousin, in a fatal car accident in Manjimup on May 28, has been hard.
"The kids also lost their nan, pop and their uncle all around the same time," she said.
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READ NOWThey have also lost their home and are split up among family members.
The 15-year-old and 13-year old are living with one of their aunts.
The 11-year-old and eight-year-old are with another aunt and the five-year-old is living with paternal grandparents.
"We are trying to raise money so they can buy things like school shoes and clothes," Casie said.
�I would do anything for these kids.
"I was a foster kid myself; I know what it's like and I don't want that for them. I didn't have everything, so I want to help them out."
The children will be coming to Mandurah for the fundraiser.
They used to visit with their mum, so they have happy memories here.
It has not been a fun time for the children and the five-year-old especially has been having a hard time.
"I thought I really need to do this," Casie said.
"This is about the five kids and making sure they have a good future." A Mother's Love Family Fun Day is on July 5 from 9am to 4pm at Meadow Spring Sporting Facility on Oakmont Avenue. There will be a DJ, sausage sizzle, a bouncy castle, photo booth, lolly bags, a petting zoo, a bouncy castle, pony rides and face painting. The activities range from $2 and $5.