Complex sentence: In March 1998 she gave birth to her daughter Molly, with Liam Gallagher, conceived 2 months after he married Patsy Kensit.
Split into simpler sentences: In March 1998, she gave birth to her daughter Molly. Molly's father is Liam Gallagher and she was conceived 2 months after Gallagher married Patsy Kensit.