Douglass, Robert. The Baronage of Scotland: Containing, An Historical and Genealogical Account of the Gentry of that Kingdom. (London: Cadell & Davies, 1798), Page 194.
IV. Roger de Blair of that ilk, a firm friend of King Robert Bruce, from whom he got a charter under the great seal, Rogero de Blair diletlo et fideli nostro, of four chalders civtual yearly out of the lands of Bourtrees in the barony of Cunningham and shire of Air, to him and his heirs forever.
He died in the reign of David II. leaving issue a son and successor, James Blair V.
IV. Roger de Blair of that ilk, a firm friend of King Robert Bruce, from whom he got a charter under the great seal, Rogero de Blair diletlo et fideli nostro, of four chalders civtual yearly out of the lands of Bourtrees in the barony of Cunningham and shire of Air, to him and his heirs forever. He died in the reign of David II. leaving issue a son and successor, James Blair V.
