William Massey-Mainwaring William Massey-Mainwaring The Honourable William Frederick Barton Massey-Mainwaring (28 May 1845 – 12 March 1907) was an Irish art collector and Conservative Party politician in the United Kingdom. The fifth son of Eyre Massey, 3rd Baron Clarina and his wife Susan Elizabeth "née" Burton, he was originally known as William Frederick Barton Massey. Educated at Trinity College Dublin, he was called to the bar at the Inner Temple, London. In 1872 he married Isabella Anne Milman, a widow and only child of Benjamin Lee Mainwaring of Knaresborough. He assumed the surname Massey-Mainwaring on marriage. Massey-Mainwaring was a well-known art collector
Chris Mainwaring cannabis. Former Eagles player Ben Cousins spent time with Mainwaring on Sunday, 30 September 2007 and the coroner ruled that they had both been using cocaine. According to the WA State Coroner's report, Mainwaring had a seizure and died after overdosing on cocaine, rather than several different drugs as media reports originally claimed. Mainwaring was to compete in a celebrity kick boxing event run by the World Kick Boxing Association at Challenge Stadium on 4 October 2007 for charity. He had also been invited by the AFL to hold one of the Eagles' premiership cups during the 2007 AFL Grand