President Uhuru Kenyatta, his deputy William Ruto and Opposition leader Raila Odinga are among leaders attending the funeral of Mzee Musyoka Mairu, the father of Wiper Party leader Kalonzo Musyoka.
The funeral service at Tseikuru Baraza park brought together leaders from both sides of the political divide in the country.
Mr Kenyatta landed at Tseikuru airstrip at 1pm, followed shortly by Mr Odinga.
Amani National Congress leader Musalia Mudavadi, Senators James Orengo, Mutula Kilonzo, Kipchumba Murkomen, Governors Charity Ngilu, Alfred Mutua, Kivutha Kibwana, Granton Samboja, among leaders are also at the funeral.
Mr Ruto who had arrived earlier, several cabinet secretaries, dozens of MPs and senators were among leaders present.
The Wiper leader's father died at the Nairobi Hospital on October 29 aged 94.