Complex sentence: When the young prince was born, rumours immediately began to spread that he was an impostor baby, smuggled into the royal birth chamber in a warming pan abd that the true child of James and Mary was allegedly stillborn.
Split into simpler sentences: When the young prince was born, rumours immediately began to spread that he was an impostor baby, smuggled into the royal birth chamber in a warming pan. The true child of James and Mary was allegedly stillborn.