Complex sentence: For the first ten years of his government he consulted often with his cousin Count Christian Ernst of Stolberg-Wernigerode, who took part in almost everything, from the dismissal of cooks in the Queen's kitchen to his alliance policy.
Split into simpler sentences: For the first ten years of his government he consulted often with his cousin, Count Christian Ernst of Stolberg-Wernigerode. The count took part in almost everything, from the dismissal of cooks in the Queen's kitchen to determining alliance policy.