The Senator died on Thursday night.
The Senator died on Thursday night at the Nairobi Hospital.
Doctors have however not disclosed cause of his death.
He was 79 years at the time of his death.
G.G. Kariuki has lifelong experience in public service having featured in Presidents Jommo Kenyatta and Daniel Arap Moi's governments.
Read Also: G.G Kariuki profile
As a long-serving legislator, he was elected into the first National Assembly in May 1963 as Member representing Laikipia-Nanyuki, a constituency that consisted of the present-day Laikipia County.
He served as minister of Lands and Settlement from June 20 to February 25, 1982.
In 1993, he was nominated into Parliament and served for one term.
He has served in many other senior capacities, including Chairs of the Parliamentary Standing Committee on Defence and Foreign Relations, and Member of the Parliamentary Service Commission. He was also Chairman of KANU, Laikipia, for a long time.
He was re-elected during the 2002 elections and served another term. Following the implementation of the Constitution of Kenya 2010, he was elected Senator, Laikipia County.
G G Kariuki will be remembered for the role he played in the settlement of the landless in Laikipia which was previously part of the white highlands.
Additional Reporting by Chrispinus Juma