"Mum saw a paddy wagon and she immediately started yelling, 'Run! Run!' to my sister and I," he said.

"It's only now I start to realise she said that because she had fear of her children being taken."

Mr Walker, a Goulburn Mulwaree councillor, board member of the Pejar Local Area Land Council and proud Wiradjuri and Yuin man, shared this story as part of a video he made for Sorry Day on Tuesday.

It's now been viewed about 6,400 times and shared by 78 people.

"I was asked to do it by my cousin, who's collating them," he said.

"I sat down and thought a bit about it and I decided to share it, because it's something I've obviously given thought to - this is my way of processing the issue of Sorry Day myself."

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Mr Walker said he understands Sorry Day, and Reconcilation Week (May 27-June 3), as a chance to acknowledge the pain, grief and loss still felt by and impacting Aboriginal communities.

"It's not about covering up sins, or taking responsibility for sins of others," he said in the video.

"It's about acknowledging the pain people experience today.

"That's why simply saying sorry is a start to a journey of healing."

Watch Mr Walker's video here:

Regarding the reconciliation process in Goulburn, Mr Walker believes there is a greater awareness of what happened in the past, and how it impacts Aboriginal communities today.

He said it's something he thinks every Australian needs to come to terms with.

"If you're an Australian citizen then you hold some Aboriginal history in your identity," he said.

"And it's worth knowing about that, that it's one of the oldest cultures in the world, and Australia policy tried to breed us out."

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