Fraser, William, The chiefs of Colquhoun and their country, Edinburgh, Scotland: T and A Constable, 1869. Available at https://familysearch.org/search/catalog/131731. Information from this source tagged as [Ref: Fraser COLQUHOUN p[0-9]*].
Sources for birth and parent Information
parents:
Sir Robert COLQUHOUN & Fair Maid of Luss [Ref: Fraser COLQUHOUN p11]
Research Notes:
designated in the charter of lands of Camstradden as "frater junior" to
received the lands failing heirs male of Robert to whom the charter was
granted [Ref: Fraser COLQUHOUN p11]