Complex sentence: Princess Sofia lived the rest of her life in seclusion at Ekolsund Castle; she remained mentally unstable, but recuperated enough to run her own houshold, wich she did in a firm way; she changed hed-butler twenyone and houskeeper twentythree times during these years.
Split into simpler sentences: Princess Sofia lived the rest of her life in seclusion at Ekolsund Castle. She remained mentally unstable, but recuperated enough to run her own household, which she did in a firm way; she changed head butler twenty-one and housekeeper twenty-three times during these years.