On 18 February 1606, the two merk land and a half of Bourtreehill was conveyed to Robert Montgomery of Skelmorlie, as evidenced by a contract held by the National Archives of Scotland.
Am 18. Februar 1606 fielen 2 Merk Land und halb Bourtreehill an Robert Montgomery aus Skelmorlie, wie aus einem Vertrag in den Scottish National Archives hervorgeht.