Name
- Jansen, L.1
- Jenifer, James, ship's purser1
- Jenkins, Leoline, Sec of State, 1625-16851
- John III Sobieski, King of Poland1
- Kennedy, James, Conservator of Scottish Privileges and Scottish Resident in the Netherlands1
- Kings of Denmark1
- Knuydt, Francis al. Franciscus, of Rotterdam1
- Kramprich von Kronenfeld, Daniel Johannes, Imperial Resident at The Hague; of Add MS 418091
- Lane, Thomas, DCL; Secretary to Lord Carlingford; Ambassador to Hungary1
- Langdale, Marmaduke, 2nd Baron Langdale, Governor of Hull1
- Leijonberg, Johan Barckman, Swedish Envoy Extraordinary in London1
- Lente, Christian, Danish Envoy Extraordinary in London1
- Leopold I, Holy Roman Emperor and King of Germany, 1640-17051
- Leslie, James, Count, Imperial FieldMarshal1
- Leslie, William, Colonel; Bishop of Laibach 17181
- Lumley, Richard, Viscount Lumley 1st Earl of Scarbrough 16901
- Lytcott, John, Secretary to the British Embassy at Rome 16881
- Mackay, Hugh, of Scourie, afterwards General1
- Manners, John, 9th Earl and (1703) 1st Duke of Rutland1
- Maria Elisabeth, Governor of the Netherlands, daughter of Emperor Leopold I1