Quote Originally Posted by Pomeria View Post
HI, I have a few questions about the suffixes of Russian surnames.
Is -ёв an alternative ‎form of -ев?
It's the same suffix, the former is stressed, the latter not.

Quote Originally Posted by Pomeria View Post
Is -ын an alternative ‎form of -ин?
yes, the idea is the same, but the preceding consonants may change и to ы

for example, Солженицын, Синицын (the ц consonant)

-ский
very often suggests Jewish or Polish origin though