Aloys I Prince of Liechtenstein born Aloys Josef Johannes Nepomuk Melchior (born Vienna 14 May 1759 – died Vienna 24 March 1805) was the Prince of Liechtenstein from 1781 until his death. He was the third son of Franz Josef I.Aloys was enlisted in the military as a youth but withdrew due to poor health. His great interest was forestry and gardening and had many trees from overseas planted around his manors for both economic and aesthetic reasons.