Name
- Jones, Thomas, alias y Bard Cloff1
- Jones, Thomas, of Corwen1
- Jones, Thomas, of Krikaw1
- Jones, Thomas, of Tregarow, alias Thomas Sion Davydd Madog, alias Twm Sion Catti1
- Jorwerth, William, of Anglesey1
- Kings of Portugal1
- Lewes, Family1
- Lewis Llyn1
- Lewis ab John ab Jenkin1
- Lewis, David, of Add MS 149291
- Lewis, John, of Add MS 148921
- Lewis, Robert, of Carne1
- Linden, Dr1
- Llannerch Library1
- Lloyd, Alice, of Add MS 148981
- Lloyd, David, Ysgolaig1
- Lloyd, David, o Globrwyn1
- Lloyd, Fulk1
- Lloyd, J- Davydd, or Hen Blas1
- Lloyd, Jevan1