Fili and Kili are his nephews.
No they are not. Bilbo is simple hobbit from the Shire, Thorin is a dwarf.
Jeffrey Thorin was born in 1961.
{| |- | Gandalf did not give Thorin a gold chain. Gandalf gave Thorin the key that he had gotten from Thorin's father. Thorin then took the key and placed it on a gold chain that he was wearing around his neck. |}
Thorin's father, Thrain, gave the key to Gandalf, who gave it to Thorin
Thorin is not a place, he is a dwarf, son of Thror.
Jeffrey Thorin was born in 1961.
Olof Thorin died in 2004.
Thorin Oakenshield was created in 1937.
Bilbo Baggins was famously a hobbit, not a dwarf.
Elisabet Thorin has written: 'Mobile libraries'
Thorin Oakenshield
Yes. Thrain was King of the dwarves, father of Thorin