I have 3 marriages between the Henwood and Trevan families. 2 are my direct ancestors.
Greatgrandmother Polly Henwood (Mary Elizabeth) married Bill Treliving (William Treliving Trevan) 21 Feb 1892 in Plymouth, Devon, England. I have traced her ancestry back to Thomas Henwood and Ann Tregonning who married 29 Apr 1783 at Bodmin, Cornwall, England.
On a different line, in Cornwall, greatgreatgreatgreatgrandmother Christiana Henwood of St Teath married John Trevan of Sheviock on 5 Nov 1799 at St Teath. After the marriage they lived at Sheviock. I have her ancestry back to Thomas Henwood and Hannah Linam who married Aug 1692 in Endellion, Cornwall.
One of her grandchildren, Kate (Catherine Gurney Wallis Trevan), married Thomas Henwood in Stoke Damerel in 1874.
I would love to hear from you if you recognize any of these Henwoods as being on your tree.