Complex sentence: In 1983, she accompanied the Prince on a tour of Australia and New Zealand with Prince William, where they met with the country's native people, who honoured the couple with a traditional boat tour and gifts representing their culture.
Split into simpler sentences: In 1983, she accompanied the Prince on a tour of Australia and New Zealand with Prince William. In New Zealand they met with the country's native people, who honoured the couple with a traditional boat tour and gifts representing their culture.