Complex sentence: Condor Laucke was the eldest son of a German immigrant, Friedrich Laucke, who had migrated to South Australia from Bremen in 1895 and in 1899 had established Laucke Mills at Greenock in South Australia's Barossa Valley.
Split into simpler sentences: Condor Laucke was the eldest son of a German immigrant, Friedrich Laucke, who had migrated to South Australia from Bremen in 1895. In 1899 he established Laucke Mills at Greenock in South Australia's Barossa Valley.