De Soto was named after Hernando De Soto the explorer who discovered the Mississippi.

Entity and relation annotations:
id: 0
type: entity
value: text: De Soto
labels: <Person>
id: 1
type: entity
value: text: Hernando De Soto
labels: <Person>
id: 2
type: entity
value: text: the Mississippi
labels: <Location>
id: 3
type: entity
value: text: the explorer
labels: <Title>
type: relation
to_id: 2
labels: Person:visits:Location
from_id: 1
type: relation
to_id: 3
labels: Person:holds_title:Title
from_id: 1