If you found Golden Sun: Dark Dawn for the Nintendo DS under the Christmas tree this weekend and found your familiarity of the previous two Game Boy Advance games and their characters a bit rusty, this family tree may help.
Nintendo breaks down the relationships between Golden Sun, Golden Sun: The Lost Age and the third game in the series, Golden Sun: Dark Dawn, which was released after a seven year long hiatus. If family trees and traditional Japanese role-playing games are your bag, read Kotaku's review of Golden Sun: Dark Dawn, see if this is the RPG that should've been on your wish list this holiday.