Complex sentence: His father's family owns a chemical industrial conglomerate in Italy and France founded in 1908, while his maternal family Fabbri has been known for its publishing company (Fabbri Editori), now part of the RCS MediaGroup.
Split into simpler sentences: His father's family owns a chemical industrial conglomerate in Italy and France founded in 1908. His maternal family Fabbri has been known for its publishing company (Fabbri Editori), now part of the RCS MediaGroup.