"1339-02-17Z"^^ . "Duke of Austria"@en . "1301-07-23Z"^^ . . "Duke of Austria" . "Otto IV, the Merry (German: der Fr\u00F6hliche; 23 July 1301 \u2013 17 February 1339), a member of the House of Habsburg, was Duke of Austria and Styria from 1330, as well as Duke of Carinthia from 1335 until his death. He ruled jointly with his elder brother Duke Albert II."@en . "Otto the Merry"@en . . . . . . . . "Otto IV"@en . "1301Z"^^ . . "1339Z"^^ . .