Wellington was involved in business as a Director of Massey Ferguson Holdings Ltd from 1967 to 1989 and of Motor Iberica SA (Spain) from 1967 to 1999.
Wellington died peacefully at his home, Stratfield Saye Estate, near Basingstoke, on New Year's Eve 2014, six months before the 200th anniversary of the Battle of Waterloo, and seven months before his 100th birthday [REF].