portly > stately, magnificent; dignified, imposing
5 That one of the old heroes seems to be:
That > [So that] seems > [he seems]
6 He the Six Islands, comprovincial
the Six Islands > (Ireland, Iceland, Gotland, the Orkneys, Norway, Denmark) comprovincial > {Belonging to the same province}
7 In ancient times to Great Britain, 8 Shall to the same reduce, and to him call
reduce > bring back (Latin reducere)
9 Their sundry kings to do their homage several.
several > [individual, different; variously]
303.33