There he this knight of her begot, whom born

born > [once born]

2 She of his father "Marinell" did name,

of > after

3 And in a rocky cave, as wight forlorn,

wight > person, _so:_ child
forlorn > abandoned, deserted

4 Long time she fostered up, till he became

fostered up > brought up [with parental care]

5 A mighty man at arms, and mickle fame

mickle > much

6 Did get through great adventures by him done:
7 For never man he suffered by that same

suffered > permitted

8 Rich Strand to travel, where he did won,

won > dwell

9 But he must do battle with the sea-nymph's son.

304.21

An hundred knights of honorable name
2 He had subdew'd, and them his vassals made,
That through all Farie lond his noble fame
4 Now blazed was, and feare did all inuade,
That none durst passen through that perilous glade.
6 And to aduance his name and glorie more,
Her Sea-god syre she dearely did perswade,
8 T'endow her sonne with threasure and rich store,
Boue all the sonnes, that were of earthly wombes ybore.

1 A hundred knights of honourable name

hundred > large number of
name > repute, fame, distinction

2 He had subdued, and them his vassals made,

subdued > overcome (by physical force or violence)
vassals > slaves

3 That through all Faery Land his noble fame

That > [So that]

4 Now blazed was, and fear did all invade,

blazed > proclaimed; celebrated
invade > enter (SUS); _hence:_ possess, daunt

5 That none dared pass through that perilous glade.

That > [So that]
glade > (Possibly, referring to the gold and jewels of the shore,
meaning a bright, shining or beautiful place. An obsolete
meaning is "clear or bright space in the sky". Hamilton (1980)
suggests that the coinage/catachresis might be prompted to remind
the reader of Mammon's glade at 207.3:1)

6 And, to advance his name and glory more,
7 Her sea-god sire she dearly did persuade

sire > father [Nereus]
dearly > earnestly, heartily
persuade > recommend; persuade

8 To endow her son with treasure and rich store,
9 Above all the sons that were of earthly wombs borne.

of earthly wombs borne > of earthly wombs born _or:_ by earthly
wombs borne

304.22

The God did graunt his daughters deare demaund,
2 To doen his Nephew in all riches flow;
Eftsoones his heaped waues he did commaund,
4 Out of their hollow bosome forth to th