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Yes, a big percentage of the population in Ecuador is indigenous. Most of them can trace their roots back to the Inca Empire. However, the population is also very mixed with European and Africa, thus a lot of people might have have mixed ancestry.
Ophrahs an African-American. Ophrahs ancetrals roots trace back to Liberia. Which is located in West Africa!
euorope
nitrogen
they are absorbed by the roots
Thomas jefferson
euorope
Alex Haley won a Pulitzer Prize for the novel Roots: The Saga of an American Family.
kenya
It would help if you had some idea whereabouts in Germany the family lived as Kühlmann is a fairly common name.
trace the history of population from ancient to modern times?
No. His family roots trace back to Ireland.