My grandfather Johann Wilhelm August Gehrke was born Hannover, Germany December 20, 1881. His father was Friedrich August Gehrke His mother Alwina Sophia Juhne Johann Wilhelm was a sailor and arrived in Tasmania,Australia From Brazil in 1912. He married my grandmother Laura Kate Williams in 1914, they had Thomas,Alwina,Carl and Elsie. He died in 1953 in Melbourne, Australia. Anyone out there have any information?