LEOPOLD

Set to 2 different clues across 2 published puzzles, most often “One of three Belgian kings” — The New York Times, Saturday, 21 May 2011.

7 letters

Every clue on record, most used first

One of three Belgian kingsonce
The New York Times — Saturday, 21 May 2011
Husband and protagonist of 24 Downonce
The New York Times — Thursday, 12 October 1995