Complex sentence: Bonniers förlag, or Albert Bonniers förlag, is the largest book publishing company in Sweden and also one of the oldest, established by Albert Bonnier (1820-1900) in Stockholm in 1837 and still owned by the Bonnier family.
Split into simpler sentences: Bonniers förlag, or Albert Bonniers förlag, is the largest book publishing company in Sweden and also one of the oldest. Established by Albert Bonnier (1820-1900) in Stockholm in 1837 and still owned by the Bonnier family.