Lord Mostyn and his family has an estimated net worth of $85 million (£54m) as of 2015, according to Sunday Times Rich List. Born in 1984, Gregory Mostyn succeeded his late father to the title as 7th baron, heading a family that has played a key role in the history of North Wales. Llandudno-based Mostyn Estates, which manages its interests, brings the net assets to £53.6m in 2013-14. The family is one of the wealthiest in North Wales. Lord Mostyn speaks Japanese, supports Arsenal.