Could that indenture be between Joseph Rogers and John Harmer? I think John Harmer, the surgeon, was his contemporary. There are many reports on his litothomy procedures around 1746 (unless his father was also John Harmer and a surgeon).
I think Elizabeth Havett married Henry Rippingall and she is the grandmother of Elizabeth Rippingall (who married Joseph Rogers) and Ann(e) Rippingall who married John Chambers.
Elizabeth Havett person details
Name Elizabeth Havett
Sex Female
Father's Name John Havett
Father's Sex Male
Mother's Name Ann
Mother's Sex Female
Event Type Christening
Event Date 7 Oct 1679
Event Place Norwich, Norfolk, England
Event Place (Original) Saint Andrew, Norwich, Norfolk, England
Henry Rippingall Husband M
Henry Rippingall person details
Name Henry Rippingall
Sex Male
Spouse's Name Elizabeth Havett
Spouse's Sex Female
Event Type Marriage
Event Date 18 May 1703
Event Place Norwich, Norfolk, England
Event Place (Original) Cathedral Church, Norwich, Norfolk, England
Reference Item 3
Henry Rippingale Husband M
John Rippingale Son M
John Rippingale person details
Name John Rippingale
Sex Male
Father's Name Henry Rippingale
Father's Sex Male
Mother's Name Elizabeth
Mother's Sex Female
Event Type Christening
Event Date
13 November 1704
Event Place Aylsham, Norfolk, England, United Kingdom
Event Place (Original) Aylsham, Norfolk, England
Henry Rippingale
Vital • England, Norfolk, Parish Registers (County Record Office), 1510-1997
Henry Rippingale person details
Name Henry Rippingale
Event Type Burial
Event Date 4 February 1714
Event Place Aylsham, Norfolk, England
Event Place (Original) Aylsham, Norfolk, England