If you join

Family Search (you just have to register) - this website - now gives family trees - so searching for Abaslom TRIGG - born 1789

it lists his family tree and all the children of him and Mary POWELL (links to her non-conformist baptism)

children

Ann - 1808
Eliza - 1810
Bia - 1813
Mary - 1813
Elizabeth - 1819
Hannah - 1821
George - 1824 - 1825
George Powell TRIGG - 1827

(and then links each person)

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Looking at Ancestry - George Powell TRIGG ended up in American

He's on the 1880 United Census, born abt 1826, England

and Newspapers Obituary etc et

(I don't belong to Worldwide Ancestry)