Senator Lidia Thorpe refers herself to committee over relationship with ex-bikie boss

Senator Lidia Thorpe will undergo an inquiry after referring herself to the Senate Committee of Privileges.

The Greens senator made the announcement days after it was revealed she not disclosed a past relationship with an ex-bikie boss.

"I have decided to write to the President of the Senate today requesting a referral of myself to the Senate Committee of Privileges," Thorpe said.

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"The Greens party room backed my decision today.

"I am more than willing to participate in any inquiry.

"I am proud of my work for First Nations justice and I won't stop fighting for my people.

"As required by the Standing Orders I will not be making any further comment in relation to the referral until the President has concluded consideration of the matter."

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Thorpe resigned as Deputy Senate Leader of the Greens last week.

During the time of her relationship with former Rebels president Dean Martin, Thorpe was a joint parliamentary law enforcement committee.

There is no suggestion Thorpe has shared any confidential information with anybody who is not authorised to receive it.