Complex sentence: Lady Anne was involved with many charities throughout her life, her charitable interests ranged widely and included Girl Guides who she allowed to have a permanent camp at Welbeck much to the annoyance of the caretakers.
Split into simpler sentences: Lady Anne was involved with many charities throughout her life. Her charitable interests ranged widely and included Girl Guides whom she allowed to have a permanent camp at Welbeck, much to the annoyance of the caretakers.