ed sovereign:
8 Then gan this realm renew her passed prime:

gan > did

9 He of his name Colchester built of stone and lime.

of > after
Colchester > (In Essex; the Romans called it _Camulodunum_. It was
the first Roman city in Britain to be given the rank of a
colonia. The suffix "chester" derives from the Latin _castra_,
applied to a walled town, especially one that had been a Roman
station in Britain; Colchester was originally called
"Colnecaster", after its river, the Colne)

210.59

Which when the _Romanes_ heard, they hither sent
2 _Constantius_, a man of mickle might,
With whom king _Coyll_ made an agreement,
4 And to him gaue for wife his daughter bright,
Faire _Helena_, the fairest liuing wight;
6 Who in all godly thewes, and goodly prayse
Did far excell, but was most famous hight
8 For skill in Musicke of all in her dayes,
Aswell in curious instruments, as cunning layes.

1 Which when the Romans heard, they hither sent
2 Constantius, a man of mickle might,

Constantius > (Flavius Valerius Constantius, c. 250-306; died at
Eboracum (York) fighting the Picts)
mickle > much

3 With whom King Coel made an agreement,
4 And to him gave for wife his daughter bright,

for > as
bright > beautiful

5 Fair Helena, the fairest living wight;

Helena > (C. 248-328. Constantius, on his elevation to the dignity
of Caesar in 292, divorced her in order to marry Theodora, the
stepdaughter of Maximian. On the elevation of her son,
Constantine, however, Helena received the title of Augusta. She
made a pilgrimage to Jerusalem in about 325, and built there the
Church of the Holy Sepulchre and the Church of the Nativity; she
was subsequently made a saint)
wight > girl, woman, person

6 Who in all godly thews, and goodly praise

thews > manners, qualities
praise > virtue

7 Did far excel, but was most famous hight

most famous hight > most famously called; _hence:_ best known

8 For skill in music of all in her days,
9 As well in curious instruments, as cunning lays.

well > much
curious > {Requiring musical virtuosity}
as > [as in]
cunning > clever, skilled
lays > songs

210.60

Of whom he did great _Constantine_ beget,
2 Who afterward was Emperour of _Rome_;
To which whiles absent he his mind did set,
4 _Octauius_ here lept into his roome,
And it vsurped by vnrighteous doome:
6 But he his title iustifide by