This is what I have found, hope iy helps
Lord Sir William "the Younger" Lord Alexander, Governour Of New Scotland
William (1st Earl Of Sterling) Alexander
MyHeritage Family Trees ALEXANDER Web Site, managed by TONY ALEXANDER
https://www.myheritage.com/research?action=query&exactSearch=0&...
Birth
1580 - Place
Death
Day Month 1640 - Place
Children
Col. John Alexander
MyHeritage Family Trees Gerritsen Web Site, managed by Elisabeth Gerritsen
Birth
1615 - Place
Death
Month 1677 - Place
Siblings
Alexander Alexander and names of 25 more siblings, Jane Alexander
Children
Thomas Alexander and names of 4 more children, Robert Alexander
John "of Eredy" (B. (C) 1593-1600 The Immigrant) Alexander
MyHeritage Family Trees
Birth
Circa 1628 - Place
Death
Circa 1677 - Place
Parents
Names of both parents
Siblings
Jean Montgomery (born Alexander) and names of 15 more siblings
Wife
Name of wife
Children
George Scotch Alexander, 1620-1703 and names of 14 more children