Brinsley Le Poer Trench, 8th Earl of Clancarty, Irish ufologist and politician (d. 1995)
William Francis Brinsley Le Poer Trench, 8th Earl of Clancarty, 7th Marquess of Heusden (18 September 1911 – 18 May 1995) was a prominent ufologist. He was an Irish peer, as well as a nobleman in the Dutch nobility.