 Gilbert's younger son was Thomas who held the lands of Drum and Conland in Fife as well as East and West Medlar, or Cushnie in Aberdeenshire as confirmed in a charter of 1353.From Thomas descend the Lumsden families of Cushnie-Lumsden, Tillycairn, Clova and Auchindoir.The Burgess-Lumsden family descend through a female line and the more recent Lumsden branches of Balmedie, Belhelvie, Sluie and Banchory belong to cadet branches of this family.