Thomas (Tom) Cholmondeley, a famous Kenyan farmer of British ancestry, died on Wednesday afternoon aged 48.
The aristocrat died after a hip replacement surgery at MP Shah Hospital in Nairobi.
He was the son of the 5th Lord Delamere, one of the first and most influential British settlers in Kenya.
In April 2005, Cholmondeley shot and killed a KWS game ranger at his expansive Soysambo ranch near lake Naivasha.
He claimed self-defence, and the murder case was dropped before going to trial.
The man shot and killed a poacher In May 2006. He was acquitted of murder, but found guilty of manslaughter and sentenced to eight months in prison.
He was released on October, 2009.