Kay: 

Colby Lodge

Keating: 

Keyston (Tregetin)

Keith:

          Longridge

          Trehenry

Kelway: 

Cottesmore

Kensington, Lord see Edwardes

Kethyn: 

Holmus

Keymer:

          Glastir

          Robeston Hall

Keys: 

Carswell

Kinner: 

Angle

Knethell:

          Castleton

          East Hook

          Hook, Langwrn

Knolles: 

Wenallt

Knox:

          Cilrhiw

          Colston

          Longhook

          Llanstinan

          Martel

          Martletwy House

          Minwere

          Molleston

          Slebech

Kylsant, Lord:

          Amroth Castle/Earwere

          Picton Castle

Kymer: 

Nolton