Are grasshopers related to the locusts and the crickets what familydo they belong to?

Yes, grasshoppers are related to locusts and crickets; they all belong to the order Orthoptera. Grasshoppers and locusts are part of the suborder Caelifera, while crickets belong to the suborder Ensifera. Despite their differences, they share common characteristics such as jumping hind legs and a similar body structure.