yes - I fairly sure that John + margt moore are the couple, John brother to Henry who mentions two of his children though not a third.
Where I think some additional problem has been added to the tree is in Joyce Oates annotations to her transcribed A W Moore's Old manx Families is her conjecture that Deemster Norris + Dorothy Fox were parents of the John Norris married to Salsbury Tunman - Dorothy in her will describes Mathew Taubman as 'grandson' - this I think is via Elizabeth Norris her granddaughter