Historical clue formulations

• Isolde's love — 2022-12-01
• Knight in a medieval romance — 2018-05-27
• His servant is Kurwenal, in opera — 2015-01-31
• Isolde's beloved — 2014-07-16
• Cornish knight of the Round Table — 2013-07-05
• Lover of Isolde — 2010-10-31
• Wagner opera title role — 2008-10-18
• Nephew of King Mark, in legend — 2004-04-03
• Wagner hero — 1994-11-19