Answer:
Supposedly, he had a great-great-grandfather who had stolen a pig from a one-legged Gypsy, and she put a curse on him and all his descendants.
Step-by-step explanation:
The given sentence is taken from the novel 'Holes' written by Louis Sachar. The novel is about a teenaged boy, named Stanley Yelnats, who is groundlessly accused of theft and sent to juvenile in Texas.
The correct way to write the given sentence, using the correct punctuation marks would be:
'Supposedly, he had a great-great-grandfather who had stolen a pig from a one-legged Gypsy, and she put a curse on him and all his descendants.'