He followed his father as a partner in the family bank, de Rothschild Frères, and ran the Château Lafite-Rothschild premier cru claret vineyard from 1946 to 1974.

While in Colditz, Élie had written to his childhood sweetheart Baroness Liliane Fould-Springer and asked her to marry him, which they did by proxy by 1942—Élie being allowed to take his marriage vows while imprisoned.

Élie and his family moved to 11 rue Masseran in the 1950s, where he displayed his great collection of art, including works by Rembrandt, Gainsborough, Dubuffet and Picasso.

Élie took charge of Château Lafite-Rothschild, the premier cru Pauillac vineyard in the Médoc, in 1946, which he owned jointly with Alain, Guy and their English cousin Jimmy de Rothschild.

He built a web of at least 20 secrecy-cloaked trusts in the South Pacific between 1996 and 2003, some of which continued operating after his death in 2007.

As documents from the Offshore leaks revealed at least 20 trusts and 10 holding companies were set up for Rothschild in the Cook Islands, with typically opaque names including, fittingly, ″Anon Trust″.

[citation needed] This remark undermined Pamela as much as any other retributive strikes and presently the affair receded.

Élie died of a heart attack when on vacation at his hunting lodge near the village of Scharnitz outside Innsbruck in Austria.