What’s wrong with this sentence?
“Her ten-year-old son he was trapped in rubble.”
A sentence with a double subject is ungrammatical. A double subject occurs when the subject of a sentence is immediately followed by a personal pronoun.
The quoted sentence has a double subject: her ten-year-old son he. To correct the sentence, remove the personal pronoun he.
Her ten-year-old son was trapped in rubble.
