Hi Carol; Really sorry, but I have no more info on Patience Rowe or her William's children, than you already have.
But my suggestion is to check with the Glocester MA website for any further info they may have. Gloucester is a great City for genealogy as there records go way back. They will do research for you (and a few $s). Do you live any where near New England? Right now, I haven't been able to get time to go to Gloucester myself. If I do in the near future, I will see what I can find for you.
I do thank you for the details that you have for her, as I can add it to my info. What was your source for your info on her? I did notice that some dates for her step siblings are different from mine.
Please feel free to email me at "firstname.lastname@example.org". We can exchange/compare what info we do have.