What nationality is Colin Thiele?

Colin Thiele is (was - he died in 2006) an Australian author who came from a strong German heritage. Thiele grew up in a bilingual home, and his Thiele ancestors were among the first in Australia. His mother's name was Wittwer, and the Wittwers were Prussian-Poles who came out in the latter half of the nineteenth century.
Colin Thiele is (was - he died in 2006) an Australian author who came from a strong German heritage. Thiele grew up in a bilingual home, and his Thiele ancestors were among the first in Australia. His mother's name was Wittwer, and the Wittwers were Prussian-Poles who came out in the latter half of the nineteenth century.