Family/Spouse: Gian Galeazzo Visconti I Duke Of MILAN. Gian was born in 1351; died on 03 Sep 1402. [Group Sheet] [Family Chart]
John married Bonne Of BOHEMIA. Bonne (daughter of John I King Of BOHEMIA and Elizabeth Of BOHEMIA) was born on 20 May 1315; died on 11 Sep 1349. [Group Sheet] [Family Chart]