Complex sentence: Biggam, the same captain who piloted the ship with its cargo of Portuguese workers in 1879 to Honolulu; and Biggam, under employ of the Allan conglomerate, is still listed as captain in an 1885 trade journal.
Split into simpler sentences: Biggam, the same captain who piloted the ship with its cargo of Portuguese workers in 1879 to Honolulu. Biggam under the employ of the Allan conglomerate is still listed as captain in an 1885 trade journal.