Alexander Stewart, 2nd Earl of Buchan was the only son of James Stewart, 1st Earl of Buchan, and Margaret Ogilvy.
Background
On 21 January 1490/1491 he got from his father a Charter to himself and his first wife, Isobel Ogilvy, of the lands of the Barony of Kettins and others And on 6 February 1499/1500, another of the same lands to himself and his second wife, Margaret Ruthven.
Career
Alexander succeeded to the Earldom and the Barony of Kingedward and other lands, probably in 1499, as he got sasine of the Earldom on 23 January 1499/1500. John Stewart, born about 1498, his successor. - a son, born early in 1500/1501.
Agnes Stewart.
Janet Stewart. The Earl died in 1505. She died in 1548.