Attention: Was younger than 16 years (14) when child (Lady Catherine Douglas "Countess of Morton") was born (??-05-1491) .
She had a relationship with James IV Stewart King Of Scotland (Stuart).
Child(ren):
http://www.geni.com/people/Margaret-Boyd-of-Bonshaw/6000000003159031610
https://en.wikipedia.org/wiki/Marion_Boyd_(mistress)
http://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=75649477&pid=1511/ Ancestry.com