Complex sentence: Captain Owens and 19 crew members made landfall at Mercury Island on Namibia's Skeleton Coast on 2 March and were brought by the fishing vessel "Boy Russell" to Luderitz, South West Africa.
Split into simpler sentences: Captain Owens and 19 crew members made landfall at Mercury Island on Namibia's Skeleton Coast on 2 March. There the fishing vessel "Boy Russell" found them, and took them to Luderitz, South West Africa.