Original: In 1929, Oscar Tucci opened a "Delmonico's" popularly called "Oscar's Delmonico's" at the former Delmonico's location at 2 South William Street (sometimes listed as 56 Beaver Street) in New York.
Simplified: In 1929, Oscar Tucci opened a "Delmonico's" popularly called "Oscar's Delmonico's" at the old restaurant at 2 South William Street in New York.