I agree. This website:
https://omniglot.com/writing/wiradjuri.php shows that the writing system of the Wiradjuri people doesn't have an "e". This website:
https://www.wiradjuri.dalang.com.au/plugin_wiki/wordlist shows the words for "star(s)" and Jiemba isn't on there
I have youtube
https://youtube.com/channel/UCrV2fqAWDyIGZQckbNUju3g