<Tr> <Th> Children </Th> <Td> Baelfire / Neal Cassidy (deceased) Gideon </Td> </Tr> <Tr> <Th> Grandchildren </Th> <Td> Henry Mills Lucy (great - granddaughter) </Td> </Tr> <Tr> <Th> Other relatives </Th> <Td> Maurice / Moe French (father - in - law) Colette (mother - in - law, deceased) </Td> </Tr> <P> Rumplestiltskin is a fictional character in ABC's television series Once Upon a Time . As an immortal, Rumple gains multiple aspects and aliases as the series progresses, most notably: Dark One (Enchanted Forest); Mr. Gold (Storybrooke); Detective Weaver (Hyperion Heights). He is an antihero, and the main antagonist of the fourth season . Mr. Gold is portrayed by Robert Carlyle . </P>

Once upon a time rumpelstiltskin becomes the dark one