Greatgrandpa Thror, Grandpa Thrain, Uncle Thorin, Uncle Frerin, Mother Dis, Sister's son Fili and Kili
He is his big brother and he will look after him. I love how Fili is always there for him, just as Kili is always there for Fili. One of the many reasons I love the Durin family is because of the bond they share. They truly do care for one another.