'My great great great uncle fought in WW1'
Have you ever wondered if any of your relatives fought in World War One (WW1)?
Eleven-year-old Dafydd from Cardiff, Wales, wanted to know more about his family's role in WW1.
It's because he'll be joining 10,000 people for a special procession in London on Remembrance Sunday in honour of all those who died in the conflict.
If you want to know more then click here to find out what happened during WW1.