Complex sentence: Bonito left as a young man for Livorno where he met with Gioachinno Beich (Franz Joachim Beich) landscape artist, then when Beich left for Germany, Bonito moved to Rome under Orizzonte (Jan Frans van Bloemen).
Split into simpler sentences: Bonito left as a young man for Livorno where he met the landscape artist, Gioachinno Beich (Franz Joachim Beich). When Beich left for Germany, Bonito moved to Rome under Orizzonte (Jan Frans van Bloemen).