The Seven Bearded Sisters was a term given to seven Kenyan opposition members of parliament (MPs) after Daniel arap Moi assumed power in 1978 following the death of Jomo Kenyatta.
He picked it from the 1975 book The Seven Sisters: The Great Oil Companies and the World they Shaped by Anthony Sampson.
Njonjo used the word 'bearded' to draw a comparison with Karl Marx, as he saw these MPs to uphold Marxist ideologies.
Orengo went to exile in Tanzania, Uganda and Zambia in the 1980s to escape the oppressive KANU regime.
They laid the foundation for the fight for multi party democracy that would lead to the repeal of section 2A of the Kenyan constitution in 1992.