Their mother was Lady Wannyana, the supposed chief wife of King Winyi I of Bunyoro.
[6] Kimera made the journey to Buganda accompanied by his mother and the family of Katumba (Nkima clan), his adoptive father.
On reaching Buganda, Katumba was appointed Mugema, hereditary head of the Nkima (monkey) clan.
The Mugema plays a significant role in Buganda culture, notably performing the investiture of the new Kabaka until the reign of Mutebi I.
In 1869, his remains were exhumed and re-buried at Lunnyo, near the city of Entebbe, close to where the present Uganda State House is located.