The first of several Bernard Renn arrived on the ship Thistle of Glasgow from Rotterdam to Philadelphia 29 August 1730. You can read about the family in Lower Augusta township, Northumberland Co. in a book titled Genealogical and Biographical Annals of Northumberland County, Pennsylvania. Your local library might have the book in its genealogy department. Do check with gartzke@prairie.NoDak.edu
who is also searching for a great grandfather Daniel Robinault. I had an email from him some time ago so I hope the address is still valid. Let me know if you can't find him.