'Grandsons' in the Bible

He had forty sons and thirty grandsons who rode on seventy donkeys; and he judged Israel for eight years.

Ahab had seventy sons [and grandsons] in Samaria. So Jehu wrote letters and sent them to Samaria, to the rulers of Jezreel, to the elders, and to the guardians of the children of Ahab, saying,

The sons of Midian: Ephah, Epher, Hanoch, Abida, and Eldaah. All these are the sons [and grandsons] of Keturah.

The sons of Ulam were courageous men, archers, and had many sons and grandsons—150 in all. All these were of the sons (descendants) of Benjamin.