[Formendacil]

Owners of Bag-End who gave it away while alive (i.e. rather than dying and it being inherited):

Bilbo -> Frodo (when he left after The Party)
Lobelia -> Frodo (after she was freed from Lockholes and returned to her own people)
Frodo -> Sam (when he left for the Havens)
Sam -> Frodo Gardner (when he left for the Havens)