Modern Greek patronymic suffix -POULOS

From: João Simões Lopes Filho
Message: 17311
Date: 2003-01-01

What's the meaning and origin of Greek patronymic suffix - poulos (Aggelopoulos, Papadapoulos, Iannopoulos, etc) ?
 
 
Joao Simoes Lopes Filho
Rio de Janeiro