A native to the North Blue, Sanji grew up as part of the Vinsmoke family under his father Vinsmoke Judge, king of the Germa Kingdom, and mother Vinsmoke Sora. Living under a grueling father who only saw Sanji as a soldier, he escapes to Baratie where he learns to cook under Zeff and learns his fighting style which is characterized by the use of legs in combat. Sanji is the fifth member and the fifth to join Monkey D. Luffys pirate crew as cook after the battle against Don Krieg(source:Wikipedia)