Complex sentence: Neither the King nor the Queen were ever described as having a large interest in sex but the rumours became more persistent when the Queen gave Munck a watch with her image, a pension and a diamond ring, and the King gave him a promotion.
Split into simpler sentences: Neither the King nor the Queen has ever been described as having a large interest in sex. But the rumors became more persistent when the Queen gave Munck a watch with her image, a pension and a diamond ring, and the King gave him a promotion.