In 2011, Mr Lewis and his family donated £3 million to Oxford University to fund a Professor of Israel Studies.
The fashion tycoon also founded and formerly served as chairman of the Israeli biotech company ProChon Biotech Ltd.
According to the magazine People, attendees at Mr Lewis and Lady Spencer’s wedding included the bride’s sisters, Eliza and Amelia, Viscountess Emma Weymouth and her husband Ceawlin Thynn, the pop star Pixie Lott, and Sabrina Dhowre Elba, wife of the actor Idris Elba.