“Clogs to clogs in three generations”

Entry in progress—B.P.
 
“Three generations from shirtsleeves to shirtsleeves” is an American version, cited in print since at least 1874.
   
Wiktionary: clogs to clogs in three generations
Etymology
Circa 1700, perhaps of Lancashire origin, due to clogs being stereotypical clothes of peasants. Compare shirtsleeves to shirtsleeves in three generations.
Proverb
clogs to clogs in three generations

1.(UK) Wealth earned in one generation seldom lasts through the third (grandchild’s) generation.
Synonyms
shirtsleeves to shirtsleeves in three generations