Ashley, I do not immediately see any scholarly research which suggests his parentage or date of birth. I will do some additional looking on this, however, they may simply be unknown. ~ T Stanton, Rhode Island Coordinator.
I have removed the very confusing mention of his son Robert's wife Dorcas from the Disputed Parents section of the profile as it only creates additional confusion.
The Burdick family website cited on the profile appears to be defunct. If anyone has a new location or additional information, please let us know.