Welcome to the WENNEN Surname Project. The Wennen project is open to anyone interested in working together to find common ancestors through family research and DNA results, possibly extending this line further back. Henry Wennen (born 1840) had eleven children in Camborne, Cornwall, England. Most emigrated to America. Henry had four brothers and two sisters who emigrated to Moonta and Millicent, So. Australia. Spelling variations are welcome (Wennan, Whennan, Whennen, Whenan). The Cornish dialect lent itself to different spellings.