These same patriarchs that make family alliances with their offspring to grow their combined wealth (arranges marriage). The offspring are duly “trained” to accept these arrangements for the preservation and growth of their power. Setting aside their personal needs, wants, pursuits, identity, they follow the authoritarian rulership of their patriarch and as long as it’s hush, hush 
indulge their personal desires outside of their business contract marriages.
BTW they have paid nannies that raise the kids.
Next time, write from your own thoughts 
; it gives some indication that YOU do your own thinking.