Former Owner
- James West1
- Jean Joseph Sosthène de LaRoche Lacarelle1
- Joannes Hainricus Ebron zu Wildenberg1
- John Boyd Thacher I1
- John Caryll1
- John Rolls, 1st Baron Llangattock1
- Joseph Jekyll1
- Justin MacCarthy Reagh1
- Klaus Dieter Dahmen1
- Laurence Kirby1
- Leonello d'Este, Marquis of Ferrara1
- Long Island Historical Society, Maine1
- Louis César de La Baume Le Blanc1
- Louis H. Silver1
- Louis XIV of France1
- Lucien Graux1
- Luigi Serra di Cassano1
- Mademoiselle de Malberghe1
- Manuel John Johnson1
- Mark Lansburgh1