'They're my people mate, you should see me with a boomerang,' Jacqui asserted.
But Sam wasn't having it, sniping in a lowered voice to other camp mates that Jacqui's heritage was 'very much in question.'
Dastyari further alleged that his questions had been echoed by others in the Tasmanian indigenous community.
The statement looks sure to create offence and anger - especially if Sam decides to repeat the allegations to Lambie herself.
The ex politician has often spoken of her pride in her heritage, which she says is a strong part of her identity.