Nyangari, 77, died on November 5 in Naro Moru.
Wiper Party leader Kalonzo Musyoka and Linda Mwananchi leader Edwin Sifuna are among leaders expected to attend the burial of DCP leader Rigathi Gachagua's sister in Nyange, Kieni, Nyeri County.
The leaders joined family members, friends and other mourners to pay their last respects at the burial ceremony.
Nyangari, 77, died on November 5 in Naro Moru. Announcing her death, Gachagua described her as a mother figure who had helped hold the family together since the death of their mother seven years ago.
He also remembered her for her warmth, wise counsel and the support she offered the family.
©Citizen Digital, Kenya