Verona Police say both victims, a 61-year-old man and his 6-month-old grandson, were found in the backyard of a home along East Lincoln Street and West Lincoln Street shortly after 7 p.m. on Monday.
First responders found a tree in the backyard of the home had uprooted and landed on the two victims. They were pronounced dead.
It's unclear what caused the tree to fall or if the weather played a role.
No further details have been given.
This story will be updated as more information becomes available.