This is also a very interesting means, or rather a continuously consolidating method of rule, employed by the top-tier family factions of the Federation.
They only accept intra-family marriages, like uncles marrying nieces, cousins marrying aunts, such things happen frequently. This is also why there are always a few fools or mentally weak individuals in large families.
All of them are descendants of closely related unions.
Some are restricted to marry only a few specific families to avoid the troubles caused by close kin marriages, but overall, Federation people are not particularly concerned about close kin unions.
However, if someone in the family wants to break free from these rules, unwilling to marry a relative, or having found their own lover,
Then their way to attain freedom is to relinquish shares, give up dividend rights, and ensure shares do not flow outside to be acquired by enemies.
