Complex sentence: Then he was offered the post of Manager of the Colony; he sailed in the Company's barque "South Australian" and landed at Kingscote, Kangaroo Island on 22 April 1837.
Split into simpler sentences: Then he was offered the post of Manager of the Colony; he sailed in the Company's barque South Australian. He landed at Kingscote, Kangaroo Island on 22 April 1837.