He was noted by a contemporary source as one of the best players in England at the time.
Analysis of contemporary sources suggests that the marriage took place between 1371 and 1379.
Nothing further is known of the episode from contemporary sources.
There is no information about Alexander's early life in the contemporary sources.
There are two independent contemporary sources for the 1507 date.
According to contemporary sources he intended to keep authority in his own hands.
A contemporary source describes him as a "small black Man."
For a long time no contemporary sources could be found to support any of the claims.
However, contemporary sources do not seem to use the name.
Two kings are known from near contemporary sources in this early period.