Gordon of Cluny: genealogical papers: Photocopy of part of the family tree of the Clarks and Barbours, compiled by Grace (Clunas) Heathcock, 1979, n.d. (c.1992) Photocopy of part of the family tree of the Clarks and Barbours (John Clark (1827 - 1889) married Isabella Barbour (1825 - 1907) in 1855: his mother, Margaret McKay, had borne an illegitimate son (and possibly more children) to John Gordon IV of Cluny, baptism witnessed by William Barbour, ground officer at Kinsteary), compiled by Grace (Clunas) Heathcock, 1979, n.d. (c.1992) 1987 - 1997