А их дети и внуки расходовали накоп

А их дети и внуки расходовали накопленные средства на развитие культуры и искусства: собирали богатейшие коллекции, финансировали развитие народных промыслов, открывали театры, поддерживали молодых талантливых художников.

Результаты (английский) 1:

And their children and grandchildren spend the accumulated funds to the development of culture and the Arts: collected the richest collection, funded the development of national crafts, open theatre, supported talented young artists.

Результаты (английский) 2:

And their children and grandchildren spent the accumulated funds for the development of culture and art: collected a rich collection, to finance the development of handicrafts, open theaters, supports young talented artists.

Результаты (английский) 3:

And their children and grandchildren were spending accrued funds to the development of a culture and the arts: collected botanical collection, financed development handicrafts, opened theaters,Support young, talented artists.