For Starters......Using the records on this site.

If you type in surname: JAMES

father's name Warren
mother's name : Ann -

Parish: Newland

there is briefly (open up the record to full details)

1778 - Richard (mother's name on this occasion spelt Ann)

1785 - John - (ditto)

1788 - Hannah - (mother's name spelt Anne)

1790 - ANNE - (mother's maiden name spelt Anne) **

1794 - Enoch - (ditto)

1797 - Sarah - (ditto)

1800 - Isaac - (ditto)

*** Record ID: 391649

7 February 1790

Anne JAMES - parents: Warren & Anne

residence: Breem

Parish Chapel: Newland

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The marriage of Ann JAMES to Thomas WATKINS or Richard HATTON - ? will have to find the marriages .... and who were the witnesses etc.