It is a complex situation. An an aging African man will obviously feel his power threatened with the children grown up and ganging up with their mothers given the early days heavy handedness of the mzee wa nyumba.
The scramble for mzee's properties by lazy good for nothing kids with support from the mother and relatives wont let you sit easy.
The fact that the children will take their mother to live with her in towns, makes matters worse and younger women in the village looking for basic sustenance will fall for tajiri kama Kibor who is looking for companionship and someone to cook for him.