all the northern part > [Scotland]
3 Which of himself Albania he did call;
of > after
4 And Camber did possess the western quart,
western quart > [Wales; quart = quarter, region: SU]
5 Which Severn now from Logris does depart:
Severn > (The River Severn, which rises in Montgomery and flows 158 miles to the sea, disemboguing into the Bristol Channel) Logris > England depart > divide, separate
6 And each his portion peaceably enjoyed, 7 Nor was there outward breach, nor grudge in heart, 8 That once their quiet government annoyed, 9 But each his pains to others' profit still employed.
pains > efforts still > ever, continuously
210.15