Where is Dawn's sister in Pokemon Diamond?

Question

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Answer 1

Dawns sister is in sandgem town

There is house saying Dawns house

In there her little sister tells u where and what pokemon in the pokemon swarm

Answer 2

Go to sandgem town and go inside the biggest house there. When you go in there, there will be and old man and a little girl. The little girl is dawn's sister

Answer 3

sandgem town the biggest house

Answer 4

Go to the biggest house in Sandgem. There is an old man and a little girl (she's the girl). Talk to her every day and she'll tell you what Pokemon are swarming and where.

Answer 5

At home.