Cult leader William Kamm and wife groomed young girl for a decade, Sydney court told

The 76-year-old allegedly ordered he should have 12 wives to repopulate' the world. He and his wife deny the charges

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The leader of a cult and his wife allegedly groomed a young girl over a decade so she could bear 45 of his children in a post-apocalyptic world.

William Kamm, also known as Little Pebble", was the leader of the Order of Saint Charbel, a religious cult run from a property on the New South Wales south coast.