youthly > youthful train > company, retinue

7 Where, weary wandering, they long time did won,

weary > wearily won > dwell

8 And many fortunes proved in the ocean main,

proved > experienced ocean main > {The main or great seas of the world, Oceanus being the sea personified as a god}

9 And great adventures found, that now were long to say.

were long to say > [would take a long time to tell]

309.49

At last by fatall course they driuen were
2 Into an Island spatious and brode,
The furthest North, that did to them appeare:
4 +Which+ after rest they seeking far abrode,
Found it the fittest soyle for their abode,
6 Fruitfull of all things fit for liuing foode,
But wholy wast, and void of peoples trode,
8 Saue an huge nation of the Geaunts broode,
That fed on liuing flesh, and druncke mens vitall blood.

4 Which > And 1609