There is much doubt that this portrait is of the Ninian Beall who died in 1717. The clothing and hairstyle are not compatible with the time of the portrait, which would probably be late 17th century. See See Research Pertaining to Ninian Beall Portrait. Source, 1947 Year Book Clan Gregor Society p.92-94, https://wiki.wcpl.info/w/File:Portrait-NotNinianBeall.pdf
