With Bitcoin you can program your wealth to be locked for as many years as you want using a Timelock.

You could say for example that the next 4 generations (over say a 100 years total) will each receive a part of your current stack.

And of course Bitcoin will appreciate a lot over the years so you could unlock 50% of your stack for your children, 25% for your grand children, 12.5% for your grand grand children...