Seyton 

(Pronounced say-tuhn)

Seyton is Macbeths chief servant, a minor character. He relays information to Macbeth, arms him for battle and attends to any needs. The fact that his name rhymes with "Satan" will help you remember the pronunciation of his name. 

His name is spelt sey-ton as in the first part of the 'Seychelles' and a 'ton' of something. 

To help remember these facts use the following mnemonic:

Think of Seyton as Satan's little helper (Macbeth's little helper).

To help you remember the spelling of Seyton think of Satan's little helper getting a holiday in the Seychelles next to a ton (Seyton) of coconuts.