Figarland, Garling

Saint Figarland Garling is a World Noble of the Figarland Family and the Supreme Commander of the God's Knights, of whom he is the first to be introduced. He was formerly active as a "Champion" on God Valley.

[Spoiler] He's also the father of Shamrock and Shanks, the former who is the commander of God's Knights and letter who is one of the Four Emperors. [/Spoiler]

[Spoiler] After Imu killed Jaygarcia Saturn by stripping him of his immortality as punishment for allowing "Joy Boy" to escape, Figarland took over the position as one of the Five Elders. [/Spoiler]

(Source: One Piece Wiki)