I removed an unlikely relationship that connected this Robert Colville to a father (also named Robert Colville) who was born after this Robert.
According to James Balfour Paul's "Scots Peerage," "it is probable that he was a contemporary rather than a son of the last Sir Robert Colville."
https://archive.org/details/scotspeeragefoun02paul/page/543/mode/1u...
I haven't found evidence of his actual parentage.
