Why does the Happy Prince send a ruby for the seamstress? What does the swallow do in the seamstress’ house?

Explanation

The Happy Prince sent a ruby for the seamstress as she was extremely poor and could not feed her child who was suffering from fever. The swallow, on being persuaded by the prince, went to the seamstress’s house. She had fallen asleep so the swallow kept the ruby on the table where the woman worked. He then flew round the bed fanning the boy’s forehead with his wings. This made the boy feel relaxed and he went to sleep.