The rich almost always marry the rich. There is a sub-culture within the upper class where they go out and settle down with their own clique, rarely allowing the lower classes to break into their exclusive circles. Like a dude from Kayole trying to date and marry Ngina Kenyatta - the First Daughter. Tough luck!
Indeed, when Ngina’s elder brother married in 2016, his choice was Fiona Achola - scion of the Omamos and whose patriarch was politician William Odongo Omamo.