Complex sentence: Larkin, during the period of her relationship with Ahern, acted as his consort at all times, and occasionally took his place at minor civic functions, including launching a high speed ferry, the M.V. Jonathon Swift for Irish Ferries.
Split into simpler sentences: Larkin, during the period of her relationship with Ahern, acted as his consort at all times, and occasionally took his place at minor civic functions. For example, she launched a high speed ferry, the M.V. Jonathon Swift for Irish Ferries.