The only Roger Whatman I could find in birth records would be the correct one because we have Jane Webb as his spouse is:

 

ROGER WHATMAN			Pedigree
	Male		Family

Event(s):
	Birth:	About 1772   Of, London, London, England
	Christening:
	Death:
	Burial:

Marriages:
	Spouse:	JANE WEBB	Family
	Marriage:	1794

 

It doesn't give a huge amount of information but it's an indication for us.

 

Kay

Manager