The vast majority of wealthy families lose it within three generations.
Growing your wealth requires taking on risk: your investments may not turn out well.
Growing your wealth requires taking on risk: your investments may not turn out well.
https://qz.com/694340/the-richest-families-in-florence-in-14...
https://www.google.com/amp/amp.timeinc.net/time/money/392530...
Perhaps you just met some of the exceptions.
The stat you quote may apply to some broader definition of “wealthy”, but for the true 0.1% - 0.01% it is truly eternal, and accelerating.