Assertion: coffin's family | /r/CapableOf | own three whaling ships
Facets:
value: by 1715
type: TEMPORAL
Source sentences:
text: The Coffins, along with other Nantucket families, including the Gardners and the Starbucks, began whaling seriously in the 1690s in local waters, and by 1715 the family owned three whaling ships and a trade vessel.