It may be possible to confirm family relationships with John by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with John:
Hi, I don't connect with the others DNA on your list. I am also looking for relatives in England. Named Ennis. My great grand father. My nieces gedcom number is A358201. Jenifer Garrett.( i have her permission) I am waiting on my test to come in the mail. If you would like to compare them. Thank you Jeannie