Laird of Glenbucky. His wife was a second cousin.
4th of Glenbuckie. Alexander Dubh Stewart, 4th of Glenbuckie, is mentioned in the following document as having participated in the murders of John and Hugh Stewart in Balquhidder: "Reg. Privy Seal. Vol.VI. No. 737. 8 Sept. 1569. Gift to Alexander Stewart in Pittareg of the escheat of numerous persons all from Balquhidder including Alexander Stewart in Gartnascrow and Andrew his son also Duncan Stewart his son, and Blak Alexander Stewart in Glenbuckie and Patrick his son, for the murder of Hugh and John Stewart, his brother, in the lands of Balquhider in December last [1568]". Alexander was cited in the 1586 bond of manrent to Sir Duncan Campbell (see web site). From the MacGregor Collection: Allaster Stewart in Glenbuckie obliged himself to dispone to Duncan Campbell a bairns part of geis? Because the latter had given his protection to him his bairns and wife at Ilanran? 28th April 1586. Alexander married an unknown STEWART who was said to be his second cousin (but by which branch is not known). (http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=ryk%5Fbrown&id=I4029)