"Bobby Shafto's Gone to Sea" or "Bobby Shafto" (frequently spelled Shaftoe) (Roud 1359) is an English language folk song and nursery rhyme.
The most common modern version is:
This is very close to the earliest printed version in 1805. A version published in John Bell's, Rhymes of Northern Bards (1812) gives these additional verses:
Other publications have made changes to some of the words, including the spelling of the last name: