¿Cómo se llama tu tío el de Burgos?

[ROBINDESBOIS]

How can I translate that in English?

What´s your uncle´s name, the one from Burgos?

[Rusty]

Exactly right.

[ROBINDESBOIS]

what about What´s your Burgos´s uncle´s name? CAn I use to genitives int he same sentence?

[Rusty]

Yes, you can use two possessives in the same sentence.