Lewis family says investment reflects high confidence in the business, brand and people The family behind the River Island clothing chain has taken control of Mint Velvet, the fashion label founded by three former Principles executives, in a deal understood to value the company in excess of £100m. The co-founders Peter Davies, Liz Houghton and Lisa Agar-Rea will share a multimillion-pound payout from the deal with the Lewis Trust Group (LTG).