Question

How can Sarah Stone born 1645 be daughter of Francis Howard born 1639,he would have been about 6yrs old?

Answer 1

Its amazing how many of the seeming imposibilies occur.  These all errors in transcripion or unwarrented assumptions.  

These are probably the best reason for posting sources of information. With a good source, the originals can be studied and errors corrected. Without sources we're just guessing.

 

You will notice there is no documentation for his birth date in his profile.

Answer 2

I found that John Howard born 1579-1642 is the Grandfather to Sarah  Howard Stone, Matthew Howard  is the Father and Ann Hall Howard is the Mother -also Sarah Howard Stone had a Daughter named sarah stone by her husband William Stone. I have also Corrected this Sarah's Profile Page for you.